| Belarus |
Minsk |
80,153 sq mi (207,595 km² ) |
9,498,364 |
| Bulgaria |
Sofia |
42,614 sq mi (110 370 km² ) |
7,153,784 |
| Czech Republic |
Prague |
30,450 sq mi (78,866 km² ) |
NA |
| Hungary |
Budapest |
35,920 sq mi (93,030 km² ) |
9,830,485 |
| Poland |
Warsaw |
120,726 sq mi (312,679 km² ) |
37,967,209 |
| Republic of Moldova |
Chi?in?u |
13,068 sq mi (33,846 km² ) |
3,553,056 |
| Romania |
Bucharest |
92,043 sq mi (238,391 km² ) |
19,760,314 |
| Russian Federation |
Moscow |
6,592,800 sq mi (17,075,200 km2 ) |
146,544,710 |
| Slovakia |
Bratislava |
18,933 sq mi (49,035 km² ) |
5,426,252 |
| Ukraine |
Kiev |
233,000 sq mi (603,500 km² ) |
NA |