- shqip
Albania · Kosovo · North Macedonia
- euskara
Basque Autonomous Community (Spain) · Navarre (Spain) · Northern Basque Country, Pyrénées-Atlantiques (France)
- беларуская мова
Belarus · Poland (Podlaskie) · Lithuania
- bosanski
Bosnia and Herzegovina · Sandžak region (Serbia and Montenegro) · Montenegro
- brezhoneg
Brittany (France) · Breton communities in Paris and elsewhere in France
- български
Bulgaria · Moldova and Ukraine (Bessarabian Bulgarian communities) · North Macedonia, Serbia, Romania, Greece and Turkey (minorities)
- català
Catalonia (Spain) · Valencian Community (Spain) · Balearic Islands (Spain)
- Qırımtatar tili
Ukraine (Crimea and mainland Ukraine) · Uzbekistan · Turkey
- hrvatski
Croatia · Bosnia and Herzegovina · Serbia (Vojvodina)
- čeština
Czech Republic (Czechia) · Slovakia · Diaspora in Austria, Germany, the UK and North America
- dansk
Denmark · Faroe Islands · Greenland
- Nederlands
Netherlands · Belgium (Flanders and Brussels) · Suriname
- English
United Kingdom · Ireland · United States
- eesti keel
Estonia · Diaspora in Finland, Sweden, the UK, Canada and the United States
- føroyskt
Faroe Islands · Denmark (Faroese community)
- suomi
Finland · Sweden (national minority language) · Norway (Kven communities)
- Vlaams
Belgium (Flanders and Brussels) · France (French Flanders, West Flemish)
variety - français
France · Belgium · Switzerland
- Gagauz dili
Moldova (Gagauzia) · Ukraine (Odesa region) · Bulgaria
- galego
Galicia (Spain) · Neighbouring areas of Asturias, León and Zamora (Spain) · Diaspora in Argentina, Uruguay, Switzerland and elsewhere
- Deutsch
Germany · Austria · Switzerland
- Ελληνικά
Greece · Cyprus · Southern Albania (Greek minority)
- magyar
Hungary · Romania (Transylvania) · Slovakia
- íslenska
Iceland · Icelandic communities in Denmark, Norway, Canada (Manitoba) and the United States
- Gaeilge
Ireland · Northern Ireland (UK) · Irish-speaking communities in Britain, North America and Australia
- italiano
Italy · San Marino · Vatican City
- latviešu valoda
Latvia · Diaspora in the UK, Ireland, Germany, Norway and North America
- lietuvių kalba
Lithuania · Poland (Sejny area) · Diaspora in the UK, Ireland, Norway, the United States and Germany
- Lëtzebuergesch
Luxembourg · Neighbouring areas of Belgium, France and Germany
- македонски јазик
North Macedonia · Albania (minority) · Serbia (minority)
- Malti
Malta · Diaspora in Australia, the UK, Canada and the United States
- Gaelg
Isle of Man
- norsk
Norway · Norwegian communities in Sweden, Denmark, Spain, the UK and the United States
- polski
Poland · Lithuania, Belarus and Ukraine (minorities) · Diaspora in the UK, Ireland, Germany, the United States, Canada and Australia
- português
Portugal (including Madeira and the Azores) · Brazil · Angola
- romani čhib
Romania · Slovakia · Czech Republic
- română
Romania · Moldova · Ukraine (Chernivtsi and Odesa regions)
- русский язык
Russia · Belarus · Kazakhstan
- Gàidhlig
Scotland (especially the Western Isles, Skye, the Highlands and Glasgow) · Nova Scotia (Canada)
- српски
Serbia · Bosnia and Herzegovina · Montenegro
- slovenčina
Slovakia · Czech Republic · Hungary, Serbia (Vojvodina), Romania and Ukraine (minorities)
- slovenščina
Slovenia · Italy (Friuli-Venezia Giulia) · Austria (Carinthia and Styria)
- español
Spain · Mexico · Central America
- svenska
Sweden · Finland (including Åland) · Estonia (historical communities)
- українська мова
Ukraine · Poland, Moldova, Romania, Slovakia and Hungary (minorities) · Canada and the United States (long-established diaspora)
- Cymraeg
Wales · Welsh speakers in England and elsewhere in the UK · Chubut Province, Argentina (Y Wladfa)
