GREIFENBERG, a town in the Prussian province of Pome rania. on the Rega, 45 m. N.E. of Stettin on the railway to Kolberg. Pop. It has two ancient gateways and its church of St. Mary dates from the i3th century. Manufactures of cement, sugar and bricks are carried on. Greifenberg possessed municipal rights as early as 1262, and in the i4th and 15th cen turies had a considerable shipping trade, but it decayed during the Thirty Years' War.