* βeta
| Capital | (*) See Notes at bottom of the table | |||
| N | Flag | Member Countries | name | |
| 1 | Austria | Vienna | ||
| 2 | Belgium | Brussels | ||
| 3 | Denmark | Copenhagen | ||
| 4 | Finland | Helsinki | ||
| 5 | Hungary | Budapest | ||
| 6 | Romania | Bucharest | ||
| 7 | Serbia | Belgrade | ||
| 8 | Sweden | Stockholm | ||
| Abbreviation : G-9 Title : Group of 9 Aim : to discuss matters of mutual interest on an informal basis. Established in : NA |
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| Capital name | ||||