BEREZOV. a town of Asiatic Russia, in the government of Tobolsk, 700 m. N. of the city of that name, situated on three hills on the left bank of the Sosva, 26 m. above its mouth in the Ob, in 63° 55′ N. lat. and 65° 7′ E. long. It has more than once suffered from conflagrations—for example, in 1710 and 1808. Prince Menshikov, the favourite of Peter the Great and Catherine I., died here an exile, in 1729. In 1730 his enemy and rival, Prince Dolgoruki, was interned here with his family; and in 1742 General Ostermann was sent to Berezov with his wife and died there in 1747. The yearly mean temperature is 25° Fahr., the maximum cold being 4·7°. It has a cathedral, near which lie buried Mary Menshikov, once betrothed to the tsar Peter II., and some of the Dolgorukis. There is some trade in furs, mammoth bones, dried and salted fish. Pop. (1897) 1073.