The Russian capital Moscow, with over 17 million inhabitants in its urban area (and just under 12 and a half in the city limits), is the largest European city.In second place we have Istanbul, whose eastern part is however located in Asia, with about 35% of the inhabitants living on this continent; it has quite rapid growth rates, in fact in 2000 it counted 8 million people.
Paris and London are the other two European cities to overcome the barrier of ten million inhabitants and together with Bangkok the most visited in the world.
With 10 and 7 cities in this ranking, Russia and Germany are respectively the most represented countries, on the other hand they are also those with the most inhabitants (even considering only the European part of Russia).
| City | Urban aggl. | Population | Urban area | Country | Other cities in urban area |
| Moscow | 17,693,000 | 12,456,000 | 5,879 Kmē | Russia | Balashikha, Podolsk, Khimki |
| Istanbul | 15,311,000 | 15,311,000 | 1,375 Kmē | Turkey | |
| London | 11,120,000 | 9,048,000 | 1,738 Kmē | United Kingdom | Watford, Woking |
| Paris | 11,027,000 | 2,176,000 | 2,844 Kmē | France | Boulogne-Billancourt, Saint-Denis |
| Düsseldorf | 6,136,000 | 622,000 | 2,683 Kmē | Germany | Dortmund, Essen, Duisburg |
| Madrid | 6,006,000 | 3,335,000 | 1,365 Kmē | Spain | Móstoles, Alcalá de Henares, Fuenlabrada |
| Saint Petersburg | 5,207,000 | 5,207,000 | 1,373 Kmē | Russia | |
| Milan | 4,994,000 | 1,398,000 | 1,880 Kmē | Italy | Monza |
| Barcelona | 4,735,000 | 1,664,000 | 1,072 Kmē | Spain | L'Hospitalet de Llobregat, Badalona, Terrassa, Sabadell |
| Berlin | 4,026,000 | 3,669,000 | 1,368 Kmē | Germany | |
| Athens | 3,417,000 | 664,000 | 584 Kmē | Greece | Piraeus, Peristeri |
| Naples | 3,303,000 | 941,000 | 1,031 Kmē | Italy | Giugliano in Campania |
| Rome | 3,207,000 | 2,784,000 | 1,145 Kmē | Italy | |
| Kiev | 2,954,000 | 2,954,000 | 761 Kmē | Ukraine | |
| Rotterdam | 2,753,000 | 653,000 | 1,028 Kmē | Netherlands | The Hague |
| Manchester | 2,747,000 | 564,000 | 632 Kmē | United Kingdom | Bolton, Sale |
| Lisbon | 2,719,000 | 518,000 | 951 Kmē | Portugal | Amadora |
| Birmingham | 2,624,000 | 1,160,000 | 598 Kmē | United Kingdom | Wolverhampton, Solihull |
| Budapest | 2,429,000 | 1,750,000 | 997 Kmē | Hungary | Erd |
| Minsk | 2,213,000 | 2,010,000 | 433 Kmē | Belarus | |
| Cologne | 2,100,000 | 1,088,000 | 780 Kmē | Germany | Bonn, Leverkusen |
| Hamburg | 2,048,000 | 1,847,000 | 795 Kmē | Germany | |
| Brussels | 2,041,000 | 185,000 | 793 Kmē | Belgium | Schaerbeek, Anderlecht |
| Munich | 2,008,000 | 1,484,000 | 482 Kmē | Germany | |
| Warsaw | 1,965,000 | 1,794,000 | 546 Kmē | Poland | Pruszków |
| Frankfurt | 1,941,000 | 763,000 | 660 Kmē | Germany | Offenbach |
| Vienna | 1,921,000 | 1,921,000 | 337 Kmē | Austria | |
| Leeds | 1,903,000 | 511,000 | 487 Kmē | United Kingdom | Bradford, Huddersfield |
| Bucharest | 1,880,000 | 1,880,000 | 412 Kmē | Romania | |
| Katowice | 1,706,000 | 291,000 | 676 Kmē | Poland | Sosnowiec, Gliwice, Zabrze, Bytom |
| Copenhagen | 1,618,000 | 799,000 | 570 Kmē | Denmark | |
| Stockholm | 1,584,000 | 976,000 | 425 Kmē | Sweden | |
| Nizhniy Novgorod | 1,578,000 | 1,244,000 | 857 Kmē | Russia | |
| Valencia | 1,493,000 | 800,000 | 394 Kmē | Spain | Torrent |
| Kharkiv | 1,479,000 | 1,479,000 | 394 Kmē | Ukraine | |
| Lyon | 1,448,000 | 519,000 | 461 Kmē | France | Villeurbanne |
| Turin | 1,431,000 | 848,000 | 381 Kmē | Italy | |
| Marseille | 1,400,000 | 868,000 | 689 Kmē | France | Aix-en-Provence |
| Dublin | 1,371,000 | 553,000 | 461 Kmē | Ireland | |
| Stuttgart | 1,357,000 | 636,000 | 477 Kmē | Germany | |
| Porto | 1,351,000 | 250,000 | 795 Kmē | Portugal | Vila Nova de Gaia |
| Donetsk | 1,350,000 | 908,000 | 684 Kmē | Ukraine | |
| Prague | 1,335,000 | 1,335,000 | 308 Kmē | Czech Republic | |
| Volgograd | 1,325,000 | 1,005,000 | 702 Kmē | Russia | |
| Lille | 1,313,000 | 233,000 | 528 Kmē | France | Roubaix, Tourcoing |
| Glasgow | 1,264,000 | 630,000 | 357 Kmē | United Kingdom | Paisley |
| Rostov-on-Don | 1,251,000 | 1,138,000 | 381 Kmē | Russia | |
| Sofia | 1,222,000 | 1,222,000 | 207 Kmē | Bulgaria | |
| Kazan | 1,209,000 | 1,209,000 | 448 Kmē | Russia | |
| Helsinki | 1,200,000 | 654,000 | 515 Kmē | Finland | Espoo, Vantaa |
| Dnipro | 1,187,000 | 991,000 | 803 Kmē | Ukraine | |
| Odessa | 1,172,000 | 1,018,000 | 370 Kmē | Ukraine | |
| Amsterdam | 1,157,000 | 873,000 | 316 Kmē | Netherlands | Zaanstad |
| Voronezh | 1,137,000 | 1,051,000 | 603 Kmē | Russia | |
| Seville | 1,091,000 | 691,000 | 272 Kmē | Spain | Dos Hermanas |
| Belgrade | 1,077,000 | 1,077,000 | 254 Kmē | Serbia | |
| Saratov | 1,064,000 | 830,000 | 546 Kmē | Russia | |
| Antwerp | 1,028,000 | 529,000 | 666 Kmē | Belgium | |
| Samara | 1,019,000 | 1,019,000 | 246 Kmē | Russia | |
| Ufa | 1,007,000 | 1,007,000 | 347 Kmē | Russia |
* data on urban agglomerations updated to 2021 (estimates), those on population according to official data or more recent estimates of the national statistical services, when different from urban agglomerations.