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Formable countries are nations you can form if you meet special circumstances (usually just controlling enough land) as specific cultures in their starting areas. These new nations will increase your rank and make give you new privileges. In this guide I’ve compiled all of the formable nations in EU5, writing down the exact requirements, special conditions, and tags for these countries.
If I messed anything up or you need extra help you can hit me up directly on Discord in the help channel!
Game Rules for Formable Countries
There are 3 types of formable nations in EU5: historical, plausible, and fantasy. Historical are countries that formed during the period that the game plays out, plausible are the ones that formed after the end date or that could have realistically formed, and fantasy are relatively abnormally powerful fantasy states.
When selecting your country during a new game, press the Game Rules button in the upper right corner of the screen and the Flavor. Here, you can select what type of formable countries you want available during your playthrough.
All Formable Countries in EU5
| Country | Tag | Culture/Religion prereqs | Control requirement | Must own cities | Special conditions | Tier | Rule |
|---|---|---|---|---|---|---|---|
| Air | AIR | Tuareg culture | Own 75% of Air Area | — | — | 1 | historical |
| Albania | ALB | Albanian culture | Own 75% of Albania, North Epirus, Illyria Provinces (listed) | — | — | 2 | historical |
| Andalusia | ADU | Maghrebi or Iberian group culture and Muslim | Own 75% of Iberia Region | — | No non‑Muslim independent owners in Iberia besides your subjects | 3 | plausible |
| Aotearoa (New Zealand) | NTR | Māori culture | Own 50% of New Zealand Region | — | Have the “He Whakaputanga” advance | 2 | plausible |
| Arabia | AIA | Arabian group culture | Own 75% of Arabia Region | — | — | 3 | plausible |
| Armenia | ARM | Armenian culture | Own 75% of Armenia Area and Kars, Malazgirt Provinces | — | — | 2 | historical |
| Austria | HAB | Danube Bavarian or Southern Bavarian | Own 60% of Austria, Styria, Carinthia Areas plus Traungau, Mühlviertel Provinces | Vienna; St Georgen, Linz, Braunau locations | — | 2 | historical |
| Ayutthaya | AYU | Disabled (always = no) | — | — | Only enabled by events/scripts if that flag is lifted | 2 | historical |
| Aztec | AZT | Nahua culture or Nahuatl religion | Own 75% of Mesoamerica Region | Tenochtitlan | — | 3 | historical |
| Banten | BAN | Sundanese culture | Own 50% of Banten, Ogan, Tulangbawang, Lampung Provinces | Banten | — | 3 | historical |
| Bavaria | BAV | Danube Bavarian | Own 75% of Bavaria Area; Braunau, Ried, Schärding locations | Munich | Must not have the “Bavarian share of land” estate privilege | 2 | historical |
| Beja | BEJ | Beja culture | Own 75% of Deraheib, Agordat, Tesenei, Massawa, Zula locations | — | — | 1 | historical |
| Beja/Gold Coast/others flagged “always = no” (disabled) | GLD/BAH/MLC/YMT | Disabled by “always = no” | — | — | Only enabled by events/scripts if that flag is lifted | — | historical |
| Belgium | BEL | Walloon or Low Franconian; Age of Revolutions | Own 75% of Wallonia and Flanders Areas | — | Age gate required | 2 | historical |
| Bengal | BNG | Bengali culture | Own 80% of Bengal Area | — | — | 3 | historical |
| Bohemia | BOH | Czech or Moravian | Own 75% of Bohemia and Moravia Areas | Prague | — | 2 | historical |
| Borneo | BNO | — (no explicit culture/religion precondition) | Own 90% of North Borneo and South Borneo Areas | — | — | 3 | plausible |
| Bulgaria | BUL | Bulgarian culture | Own 90% of Bulgaria Area | — | — | 1 | historical |
| Burgundy | BGP | Arpitan/Vivaro‑Alpine/Franc‑Comtois/Provençal or DAU/SAV tag | Own 50% of Provence, Savoy, Lyonnais, Franche‑Comté, Western/Central Switzerland Areas | — | — | 2 | plausible |
| Byzantium | BYZ | Greek group culture and Orthodox | Own 50% of Balkan and Anatolia Regions | Constantinople | Capital moves to Constantinople; may raise rank to Empire | 4 | historical |
| Canada | CAN | Non‑native culture in British or French groups | Own 35% of Canada Region | — | — | 3 | plausible |
| Carthage | CTH | — (fantasy) | Own 70% of Tunis, Tripolitania, Sicily, Algiers Areas | Tunis (capital moves there) | Tunis is renamed Qart Hadaszt on formation | 2 | fantasy |
| Celtica | CEL | Celtic group culture, Celtic Traditions reform, Brythonic or Gaelic court language | Own 90% of Ireland Region plus Wales, Scottish Lowlands/Highlands, Hebrides, Brittany Areas and Cornwall Province | — | — | 3 | fantasy |
| China | CHI | Chinese group culture; Middle Kingdom org not active | Own 70% of West/East/North/South China Regions | — | — | 4 | historical |
| Circassia | CIR | — (no explicit culture/religion precondition) | Own 60% of Matrega Area | — | — | 1 | historical |
| Croatia | CRO | Croatian culture | Own 50% of Croatia and Slavonia Areas | Zagreb | — | 2 | plausible |
| Dahomey | DAH | Disabled (always = no) | — | — | Only enabled by events/scripts if that flag is lifted | 2 | historical |
| Dalmatia | DAL | Dalmatian or Croatian culture | Own 75% of Croatia Area | Dubrovnik | — | 1 | historical |
| Dalriada | DRD | Scottish or Hibernian group and Gaelic language | Own 75% of Ulster, Hebrides, Scottish Highlands Areas | — | — | 2 | fantasy |
| Deccan | DEC | Marathi/Kannada/Telugu language and Sunni | Own 50% of Deccan Region | — | — | 3 | historical |
| Delhi | DLH | Muslim; Indian/Iranian/Mongolian/Turkic cultural route | Own 70% of Hindustan Region | Delhi | — (capital moves to Delhi if not already) | 3 | historical |
| Denmark | DAN | Danish culture | Own 75% of Denmark and Skåneland Areas | — | — | 2 | historical |
| Egypt | EGY | Not Mamluks | Own 75% of Egypt Region | — | — | 3 | historical |
| England | ENG | English culture or English language | Own 75% of Home Counties, East Anglia, West Country, Midlands, Wales, Northumbria, Scottish Lowlands Areas | — | — | 2 | historical |
| Ethiopia | ETH | Agaw/Amhara/Tigre/Tigrinya and Miaphysite | Own 60% of Ethiopia Region | Axum or Lalibela or Gonder | — | 3 | historical |
| Europe (Union) | EUR | Global “num_locations > 1500” potential gate | Own 50% of Europe continent | — | Must be a Hegemon | 5 | fantasy |
| Finland | FIN | Finnish culture | Own 50% of Finland Area | — | — | 1 | historical |
| France | FRA | French group culture | Own 75% of France Region | Paris | — | 3 | historical |
| Franconia | FKN | East Franconian | Own 60% of Franconia Area | — | — | 2 | plausible |
| Georgia | GEO | Georgian culture | Own 75% of Georgia Area | Tbilisi | — | 2 | historical |
| Germany | GER | Any culture in the German group | Own 75% of North and South German Regions | — | — (effect may raise rank to Empire) | 4 | plausible |
| Great Britain | GBR | Any culture in the British group | Own 75% of Great Britain Region | — | Hundred Years’ War must be over; if ENG/SCO/WLS/SBL exist and aren’t you, they must not exist or be your subjects | 3 | historical |
| Greece | GRE | Greek group culture; BYZ must not exist; not TUR | Own 50% of Thrace, Northern Greece, Macedonia, Morea, Aegean Archipelago Areas | Athens | — | 2 | historical |
| Gujarat | GUJ | Gujarati language and Muslim | Own 60% of Gujarat and Saurashtra Areas | — | — | 3 | historical |
| Hanover | HAN | Lower Saxon | Own 60% of Lower Saxony Area | Hanover | — | 2 | historical |
| Hausa | HAU | Hausa culture | Own 50% of North and South Hausa Areas | — | — | 2 | historical |
| Hen Ogledd | HEN | Brythonic language | Own 50% of Northumbria and Scottish Lowlands Areas | — | — | 2 | fantasy |
| Hindustan | HIN | — | Own 70% of the listed sub‑continent scope | — | — | 4 | plausible |
| Holy Roman Empire | HRE | Must exist and you must be an HRE member | Own 75% of North and South German Regions | — | Special tooltip gate (“HRE_f_tt”) blocks unless specific conditions are met | 4 | plausible |
| Hungary | HUN | Hungarian group | Own 75% of North Alföld, South Alföld, Transdanubia Areas | Pest, Buda | — | 3 | historical |
| Iceland | ICE | Icelandic culture | Own 75% of Iceland Area | — | — | 1 | historical |
| Ilkhanate | ILK | Be member/leader of Ilkhanate org; not Iran | Own 75% of Persia Region plus Iraq‑Arabi, Jazira, Shirvan, Armenia, Armenian Highlands, Georgia, Pontus, Cappadocia Areas | Multiple key cities (Sarai, Kazan, Samarkand, Kaffa, Dadu, Shangyuan, Baxian, Guangzhou, Karakorum) | Ilkhanate org must have no active claimants; you must lead it | 4 | historical |
| Inca | INC | Quechuan language and Andean folk religion | Own 80% of Acamama and Puna Areas | — | Government tweaks on formation (unlocks Tawantinsuyu gov path) | 3 | historical |
| Ireland | IRE | Hibernian group culture or PLE tag; lead the Irish High Kingship in the Ireland Region | Own 75% of Ireland Region | — | Not part of “Lordship of Ireland” org; POL/LIT‑style org checks for leader in Ireland | 2 | historical |
| Ireland minors: Connacht | CNN | Celtic or Hibernian group | Own 75% of Connaught Area | — | — | 1 | historical |
| Ireland minors: Ulster | ULS | Celtic or Hibernian group | Own 75% of Ulster Area | — | — | 1 | historical |
| Iroquois | IRO | Haudenosaunee group | Own 80% of the five core Iroquois Provinces | — | — | 3 | historical |
| Italy | ITA | Italian group culture | Own 75% of Italy Region | Milano, Florence, Naples | — | 3 | plausible |
| Kingdom of Africa | KOA | Catholic | Own 75% of Tunis and Tripolitania Areas | Tunis, Tripoli | — | 2 | plausible |
| Kingdom of Jerusalem | KOJ | Catholic and either CYP/NAP tag or Military Order reform | Own 75% of Filastin Province | Jerusalem | Adds strong temporary modifiers if formed via special event chain | 2 | plausible |
| Kongo | KON | Bantu religion | Own 50% of West Kongo and Kongo Areas | — | — | 3 | historical |
| Latin Empire | LAT | Catholic | Own 50% of Thrace Area and Thessaly Province Move capital to Constantinople | Constantinople | — | 3 | plausible |
| Livonia | LVA | Any German group culture | Own 75% of Baltic Area | — | — | 2 | plausible |
| Lotharingia | LOT | Rhine‑Alemannic/Burgundian/Franc‑Comtois/Lorrain/Walloon or LOR/BUR tag | Own 50% of Lorraine, Wallonia, Brabant, Friesland, Rhineland, Alsace Areas and Palatinate, Rhine Valley Provinces | — | — | 3 | plausible |
| Malaysia | MSA | Malay culture and Muslim | Own 90% of Malay Peninsula Area | — | — | 3 | historical |
| Mali | MAL | Mande language | Own 75% of Mali and Ghana Areas | Niani | — | 2 | plausible |
| Manchu | MCH | Jurchen culture | Own 50% of Liaodong, Lower/Middle Amur, Songhua, Songnen, Ussuri Areas | — | Triggers a Manchu flavor event on formation | 3 | historical |
| Maratha | MHR | Marathi language and not Sunni | Own 50% of Deccan Region | — | — | 3 | historical |
| Mazovia | MAZ | Mazovian culture | Own 90% of Mazovia Area | Warsaw | — | 1 | historical |
| Mecklenburg | MKL | Western Pomeranian | Own 75% of Mecklenburg Area | — | — | 1 | historical |
| Mexico | MEX | Either Iberian culture path, or Native culture + Christian | Own 50% of Mesoamerica Region | — | — | 3 | historical |
| Moldavia | MOL | Moldovan culture | Own 90% of Moldavia Area | — | — | 2 | historical |
| Mongolia | MGE | TIM tag or Borjigin dynasty horde; Mongolian/Turkic group | Own 85% of vast Mongol/Persia/China/Steppe regions | Many capitals (Sarai, Kazan, Samarkand, Dadu, etc.) | Not in civil war; long list of city ownership checks | 4 | historical |
| Mossi | MSI | Mossi culture | Own 75% of East and West Mossi Areas | — | — | 1 | historical |
| Mughal Empire | MUG | Muslim; Iranian/Turkic/“Afghani language” route | Own 80% of Hindustan Region | Delhi, Agra, Lahore | — (rank effect) | 4 | historical |
| Nassau | NSA | Rhine‑ or Moselle‑Franconian | Control all five locations: Dillenburg, Hadamar, Siegen, Usingen, Wiesbaden | — | — | 1 | historical |
| Navarre | NAV | Basque culture | Own 80% of Navarre Province and Saint‑Jean‑Pied‑de‑Port location | — | — | 2 | historical |
| Nepal | NPL | Nepali group culture | Own 70% of Nepal Area | — | — | 2 | historical |
| Netherlands | NED | Netherlandish group culture | Own 30% of Brabant, Flanders, Friesland, Holland, Wallonia Areas | — | — | 2 | historical |
| Northumbria | NOL | English language (cultural affinity) | Own 50% of Scottish Lowlands and Northumbria Areas | — | — | 1 | plausible |
| Nubia | NUB | Nubian culture | Own 75% of Nubia Proper and Butana Areas | — | — | 2 | plausible |
| Nusantara | NUS | Javanese/Sundanese/Madurese culture | Own 50% of Indonesia Region | Trowulan, Palembang | — | 3 | plausible |
| Persia “Iran” | IRA | Iranian group | Own 50% of Persia Region | — | — (rank effect) | 4 | historical |
| Poland | POL | Polish group culture | Own 75% of Central, Greater, Lesser Poland and Mazovia Areas | Krakow, Warsaw | — | 2 | historical |
| Polish–Lithuanian Commonwealth | PLC | Polish or Lithuanian group | Own 50% of a long list of Polish/Lithuanian areas (incl. Prussia, Silesia, Red Ruthenia, etc.) | Krakow, Vilnius, Warsaw | If POL/LIT exist and aren’t you, they must not exist or be your subjects | 3 | historical |
| Pomerania | POM | Eastern or Western Pomeranian | Own Pomerania Area (implicit scope) | — | — | 2 | historical |
| Prussia | PRU | Any German group culture | Own 75% of Prussia Area | — | Not a Military Order; clergy under 20% power; nobles above 20% power; not at war | 2 | historical |
| Pueblo | PUE | Any of Keres/Zuni/Hopi/Hualapai/Tanoan/Hohokam cultures | Control at least one of eight listed Pueblo settlements | — | — | 2 | historical |
| Punjab | PUN | Punjabi culture | Own 80% of Punjab Area | — | — | 3 | historical |
| Rajputana | RJP | Rajasthani language | Own 80% of Rajputana Area | — | — | 3 | historical |
| Roman Empire | ROM | BYZ or own Rome (not PAP); Christian or Hellenism | Own 75% across many European/Mediterranean regions (Italy, Iberia, France, Balkans, Britain, Anatolia, South German, Crescent, Egypt, Maghreb, Carpathia, Caucasus) | Rome, Constantinople | Empire rank, hegemon, BYZ non‑existence check if you’re not BYZ | 4 | fantasy |
| Romania | RMN | Romanian group culture | Own 50% of Wallachia, Transylvania, Moldavia Areas | Bucharest | — | 2 | plausible |
| Rûm | RUM | Turkic group and Muslim | Own 85% of Anatolia Region | — | “Rise of the Ottomans” winner variable must be set for you | 4 | historical |
| Russia | RUS | Russian group culture | Own 50% of Russian, Ural, Steppes Regions | Moscow, Novgorod | — (effect may raise rank to Empire) | 4 | historical |
| Ruthenia (Ukraine) | UKR | Any of many Ruthenian‑sphere cultures (Ruthenian, Rusyn, Cossack, etc.) | Own 60% of Ruthenia Region | Kyiv | — | 3 | plausible |
| Sardinia | SAR | Italian group culture | Own 85% of Sardinia Area | — | — | 2 | historical |
| Saxony | SAX | Saxon or Lower Saxon | Own 25% of Lower Saxony and Upper Saxony Areas; Flaming Province | — | Must be an HRE Elector (special status in the HRE org) | 2 | historical |
| Scandinavia | SCA | Any culture in the Scandinavian group | Own 75% of Scandinavian Region and Iceland Area | — | — | 3 | plausible |
| Scotland | SCO | Any culture in the Scottish group | Own 75% of Scottish Lowlands, Scottish Highlands, Hebrides Areas | — | — | 2 | historical |
| Serbia | SER | Serbian culture | Own 80% of Serbia Area | — | — | 2 | historical |
| Shan | SHA | Shan group culture | Own 90% of Shan Highland Area | — | — | 3 | historical |
| Siam | SIA | Thai culture | Own 75% of Chao Phraya and Northern Tai Highland Areas | — | — | 3 | historical |
| Silesia | SIL | Silesian or German Silesian | Own 75% of Silesia Area | — | — | 2 | historical |
| Sokoto | SKO | Hausa culture and Sunni | Own 75% of North and South Hausa Areas | Sokoto | — | 3 | historical |
| Spain | SPA | Iberian group culture and Christian | Own 75% of Iberia Region | — | No non‑Christian independent owners in Iberia besides your subjects | 3 | historical |
| Swabia | SWA | Swabian | Own 80% of Swabia Area | — | — | 2 | plausible |
| Sweden | SWE | Swedish culture | Own 75% of Svealand, Götaland, Norrland, Finland Areas | — | — | 2 | historical |
| Switzerland | SWI | Swiss group culture | Own 75% of Central, Eastern, Western Switzerland Areas | — | Swiss Confederation org must not already exist | 2 | historical |
| Tibet | TIB | Tibetan group culture | Own 60% of Tibet Region | — | — | 2 | historical |
| Timurids | TIM | Uzbek culture | Own 80% of Persia Region | — | — | 3 | historical |
| Transylvania | TRA | Hungarian/Transylvanian/German‑Transylvanian/Szekely | Own 75% of Transylvania Area | — | — | 2 | plausible |
| Two Sicilies | TWS | Sicilian or Neapolitan; not already Italy | Own 80% of Basilicata, Apulia, Abruzzo, Campania, Sicily Areas | Naples, Palermo | Dynamic check that NAP/SIC don’t also hold presence in Italy unless you’re them or they’ve left Italy | 2 | historical |
| USA | USA | Non‑native culture in British group | Own 35% of East Coast Region | — | — | 4 | historical |
| Wales | WLS | Welsh culture or Brythonic language | Own 75% of Wales Area | — | — | 2 | historical |
| Westphalia | WES | Westphalian culture | Own 75% of Westphalia Area | — | Not a theocracy; Cologne existence/age checks | 2 | historical |
