a town of Prussia, on the shore of a lake of the same name, in the province of Brandenburg, government and 42 miles N.E. of Frankfurt-on-the-Oder. It is walled, and entered by three gates; and it has a fine market-place and several churches. Extensive manufactures, chiefly of cloth, are carried on here; and pearl mussels are obtained in the lake. The town is said to have been founded in 1212, and was at one time the capital of the Neumark, a division of Brandenburg. Pop. 5518.