Drobeta-Turnu Severin (drōbē`tĕ-to͝or`no͞o sĕvĕrēn`), city (1990 pop. 107,460), SW Romania, in Walachia, on the Danube River. It is a river port and has large shipyards and several food-processing plants. The surrounding area is known for its extensive rose gardens and its white wine. Drobeta-Turnu Severin was founded on the site of Drobeta, an ancient town believed to be the oldest Roman settlement in Romania. Turnu Severin and the modern city of Drobeta were joined in the 1970s. Nearby are the ruins of a bridge across the Danube, erected (A.D. 103) by Emperor Trajan.