In 1900, the population of Austrian Silesia numbered 680,422, or 132 inhabitants per square kilometre (342 per square mile). The Germans formed 44.69% of the population, 33.21% were Poles and 22.05% Czechs and Slavs. Some 84% were Roman Catholics, 14% Protestants and the remainder were Jews. The local diet was composed of 31 members, and Silesia sent 12 deputies to the Reichsrat at Vienna. For administrative purposes Silesia was divided into 9 districts and 3 towns with autonomous municipalities: Opava (Troppau), the capital, Bielsko-Biała (Bielitz) and Frýdek-Místek (Friedeck). Other principal towns were: Cieszyn/Těšín (Teschen); Slezská Ostrava (Polnisch-Ostrau), the eastern part of Ostrava; Krnov (Jägerndorf); Karviná (Karwin); Bruntál (Freudenthal); Jeseník (Freiwaldau); and Horní Benešov (Bennisch).