Kazan Governorate
In the 1910s the Volga Tatars numbered about half a million in the Kazan Governorate in Tatarstan, their historical homeland, about 400,000 in each of the governments of Ufa, 100,000 in Samara and Simbirsk, and about 30,000 in Vyatka, Saratov, Tambov, Penza, Nizhny Novgorod, Perm and Orenburg. An additional 15,000 had migrated to Ryazan or were settled as prisoners in the 16th and 17th centuries in Lithuania (Vilnius, Grodno and Podolia). An additional 2000 resided in St. Petersburg.