Reutlingen, city in southwestern Germany, in Baden-Württemberg, on the Echaz River, near Stuttgart. The city is a noted textile center; other manufactures include machinery, leather goods, and steel. Among Reutlingen's points of interest are the Church of Saint Mary (13th-14th century) and the city hall (18th century). Reutlingen was a free imperial city from 1240 to 1802, when it became part of Württemberg. Population (1997) 107,782.