a seaport town of Hanover, province of Lüneburg, on the left bank of the southern branch of the Elbe, opposite Hamburg which stands on the right bank of the northern branch of that river. The distance between Harburg and Hamburg is about 4½ miles, and regular steam communication is maintained between them at least six or eight times a day. Harburg communicates also with Hanover by railway, and carries on a considerable trade, chiefly transit, between Hamburg and the countries south of the Elbe. It has manufactures of linen, hosiery, soap, starch, refined wax, leather, &c. It is a place of some strength, being surrounded by walls, and defended by a citadel. Pop. 5500.