FURSTENWALDE, a town in the Prussian province of Brandenburg, government of Frankfort, on the right bank of the Spree, and on the railway between Berlin and Frankfort, 28 miles E. of the former city. It has manufactures of linen and woollen goods, and about 5000 inhabitants. It was taken by the Swedes in 1631, and burned by the Imperialists in 1633.