This list ranks urban areas in Europe by their population according to two different sources. The list includes urban areas that have a population of over 1 million.
Figures in the first and second column come from the UN's World Urbanization Prospects and list only urban agglomerations. Figures in the third column come from the City Population website and 0p0pp00list all continuous urban areas, including conurbations. Further information on how the areas are defined can be found in the source documents. be seen as an interpretation, not as conclusive fact.