RUPPIN, New, a town of Prussia, in the province of Brandenburg, on the W. shore of a lake of the same name, 37 miles N.W. of Berlin. It is surrounded by walls, and well built, with regular streets and several public squares; and it contains a column with a statue of Frederick the Great. The principal establishments in the town are a church, school, lunatic asylum, and two hospitals. Linen and cotton cloth are the most important articles manufactured. The trade is considerable, and is facilitated by a canal, which forms part of the line of communication between the Elbe and the Oder. Ruppin was for some time the residence of Frederick the Great, when crown prince. Pop. 9780.