Eastern Europe’s largest city is Moscow with 12.8M residents, followed by Saint Petersburg at 5.6M. Kyiv is the next largest major center with 3M inhabitants.
The region includes a dense tier of large capitals: Minsk (2.1M), Warsaw (1.8M), Budapest (1.8M), Bucharest (1.7M), Prague (1.3M), and Sofia (1.3M).
Russia contributes several additional high-population inland metros, including Novosibirsk (1.7M ), Yekaterinburg (1.5M ), and Kazan (1.3M ). In Ukraine, Kharkiv remains another major urban hub at 1.4M.