FRANKFORT-ON-THE-ODER, a well-built town of Prussia, the capital of a district of the same name, province of Brandenburg, 48 miles from Berlin. Its university, founded in 1506, was, in 1811, transferred to Breslau. Manufactures are woolens, silks, leather, earthenware, tobacco, mustard, etc. Near it is Kunersdorf, the scene of the victory of the Austrians and Russians over Frederick the Great, in 1759. Pop. about 70,000. The district has an area of 8,000 square miles, with a population of 1,200,000.