Shimoga (shĭmōˈgə) [key], town (1991 pop. 193,028), Karnataka state, SW India, on the Tunga River. Shimoga is district headquarters for a region that produces coffee, sugarcane, cotton, millet, oilseed, and rice. Limestone, manganese, and iron ore are mined in the region. The town was plundered by the Marathas in 1798 and occupied by the British in the early 19th cent. after the Maratha wars.