Observer states to the Danube Commission
| Flag | State |
Area, thous.sq.km |
Population, mln. inh. (year) |
Capital, population, thous. inh. (year) |
 |
Kingdom of Belgium | 30,5 | 11,78 (2025) |
Brüssel 193 (2024) |
 |
Hellenic Republic | 132,0 | 10,37 (2025) |
Athens 637 (2021) |
 |
Georgia | 69,7 |
3,69 |
Tbilisi |
 |
Republic of Cyprus | 9,3 | 0,93 (2025) |
Nicosia 277 (2024) |
 |
The Republic of North Macedonia | 25,7 | 1,83 (2024) |
Skopje 527 (2024) |
 |
Kingdom of the Netherlands | 41,5 | 17,98 (2025) |
Amsterdam 931 (2024) |
 |
Republic of Türkiye | 785,3 | 85,37 (2024) |
Ankara 5803 (2024) |
 |
French Republic | 633,1 | 68,42 (2025) |
Paris 2103 (2024) |
 |
Montenegro | 13,8 | 0,62 (2024) |
Podgorica 182 (2024) |
 |
Czech Republic | 78,9 | 10,9 (2025) |
Prague 1384 (2024) |
Source:
- Data provided by the DC Member States (ST-16);
- EU transport in figures. Statistical pocketbook;
- EUROSTAT
- Wikipedia, the free encyclopedia (ISO 3166-1) and other sources on the internet