Ahmadnagar or Ahmednagar (both: ämədnŭgˈər) [key], city (1991 pop. 222,088), Maharashtra state, W central India, on the Sina River. It is a district administrative center and has industries in cotton and cotton goods and copper and brass goods. The district has a significant sugar industry.
Founded in 1490, it became the capital of the important Deccan kingdom of Ahmadnagar; it was captured (1600) by Akbar's forces after heroic resistance. In the mid-18th cent. it was taken by the Marathas. The fort was used by British for political prisoners, including Nehru (1942–45).