BOPPARD, a town in Rhenish Prussia, Germany, on the left bank of the Rhine. Pop. , 6,684. An old town, still partly surrounded by mediaeval walls, its most noteworthy buildings are the parish church (12th and 13th centuries) ; the Carmelite church (1318) ; the castle, now used for administrative offices, and the former Benedictine monastery on Marienberg, founded 1123. Boppard is a favourite tourist centre of the picturesque gorge of the Rhine, and has become a residential town. Trade is in wine and fruit. The Baudobriga of the Romans became a royal residence under the Merovingian dynasty and in the middle ages Boppard was raised to the rank of a free imperial city with considerable trade and shipping. From to 1794, when France absorbed the town, it was in the possession of the electors of Trier. In 1815 it was assigned, by the congress of Vienna, to Prussia.