Indo-European languages (see The Indo-European Family of Languages, table) predominate in Europe; others spoken include Basque, Maltese, and the languages classified as Finno-Ugric, Samoyedic, Bulgaric, and Turkic. Roman Catholicism is the chief religion of S and W Europe and the southern part of central Europe; Protestantism is dominant in the United Kingdom, Scandinavia, and the northern part of Europe; the Orthodox Eastern Church predominates in E and SE Europe; and there are pockets of of Muslim predominance in the Balkan Peninsula and Transcaucasia. With the exception of the northern third of the continent, Europe is densely populated. Eleven cities have populations exceeding two million inhabitants; London, Moscow, and Paris are the largest cities.
