BRAUNSBERG, a town of Germany, in the kingdom of Prussia, 38 m. by rail S.W. of Königsberg, on the Passarge, 4 m. from its mouth in the Frisches Haff. Pop. (1900) 12,497. It possesses numerous Roman Catholic institutions, of which the most important is the Lyceum Hosianum (enjoying university rank), founded in 1564 by the cardinal bishop Stanislaus Hosius. Brewing, tanning, and the manufactures of soap, yeast, carriages and bricks are the most important industries of the town, which also carries on a certain amount of trade in corn, ship timber and yarn. The river is navigable for small vessels. The castle of Braunsberg was built by the Teutonic knights in 1241, and the town was founded ten years later. Destroyed by the Prussians in 1262, it was restored in 1279. The town, which was the seat of the bishops of Ermeland from 1255 to 1298, was granted the “law of Lübeck” by its bishop in 1284, and admitted to the Hanseatic League. After numerous vicissitudes it fell into the hands of the Poles in 1520, and in 1626 it was captured by Gustavus Adolphus. The Swedes kept possession till 1635. It fell to Prussia by the first partition of Poland in 1772.