List of European Union (EU) Countries
| State | Capital | Accession |
|---|---|---|
| Austria | Vienna | 1995 |
| Belgium | Brussels | Founder |
| Bulgaria | Sofia | 2007 |
| Croatia | Zagreb | 2013 |
| Cyprus | Nicosia | 2004 |
| Czech Republic | Prague | 2004 |
| Denmark | Copenhagen | 1973 |
| Estonia | Tallinn | 2004 |
| Finland | Helsinki | 1995 |
| France | Paris | Founder |
| Germany | Berlin | Founder |
| Greece | Athens | 1981 |
| Hungary | Budapest | 2004 |
| Ireland | Dublin | 1973 |
| Italy | Rome | Founder |
| Latvia | Riga | 2004 |
| Lithuania | Vilnius | 2004 |
| Luxembourg | Luxembourg City | Founder |
| Malta | Valletta | 2004 |
| Netherlands | Amsterdam | Founder |
| Poland | Warsaw | 2004 |
| Portugal | Lisbon | 1986 |
| Romania | Bucharest | 2007 |
| Slovakia | Bratislava | 2004 |
| Slovenia | Ljubljana | 2004 |
| Spain | Madrid | 1986 |
| Sweden | Stockholm | 1995 |