* βeta
| Capital | (*) See Notes at bottom of the table | |||
| N | Flag | Member Countries | name | |
| 1 | Albania | Tirana | ||
| 2 | Austria | Vienna | ||
| 3 | Belarus | Minsk | ||
| 4 | Bosnia and Herzegovina | Sarajevo | ||
| 5 | Bulgaria | Sofia | ||
| 6 | Croatia | Zagreb | ||
| 7 | Czech Republic | Prague | ||
| 8 | Hungary | Budapest | ||
| 9 | Italy | Rome | ||
| 10 | Macedonia | Skopje | ||
| 11 | Moldova | Chisinau | ||
| 12 | Montenegro | Podgorica | ||
| 13 | Poland | Warsaw | ||
| 14 | Romania | Bucharest | ||
| 15 | Serbia | Belgrade | ||
| 16 | Slovakia | Bratislava | ||
| 17 | Slovenia | Ljubljana | ||
| 18 | Ukraine | Kyiv | ||
| Abbreviation : CEI Title : Central European Initiative Aim : to form an economic and political cooperation group for the region between the Adriatic and the Baltic Seas. Established in : 11 November 1989 as the Quadrilateral Initiative, 27 July 1991 became the Hexagonal Initiative, July 1992 its present name was adopted Notes : evolved from the Quadrilateral Initiative and the Hexagonal Initiative |
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| Capital name | ||||