| Type | Confederation |
| Formation | Early Middle Ages |
| Contributions | Arts • Literature • Science • Education |
| Member states | Austria • Belgium • Bulgaria • Croatia • Cyprus • Czech Republic • Denmark • Estonia • Finland • France • Germany • Greece • Hungary • Ireland • Italy • Latvia • Lithuania • Luxembourg • Malta • Netherlands • Poland • Portugal • Romania • Slovakia • Slovenia • Spain • Sweden |
| Official language | None |
| Primary objectives | Cultural exchange • Political cooperation • Shared history |
| Formed in response to | The decline of the Roman Empire |
| Recognized regional languages | French • German • English • Italian • Spanish • Portuguese • Dutch • Greek • Polish • Swedish • Danish • Finnish • Croatian • Slovenian • Czech • Slovakian • Hungarian • Estonian • Latvian • Lithuanian • Macedonian • Maltese • Romanian |
