Asenovgrad is a town in central southern Bulgaria, part of Plovdiv Province. The seat of Asenovgrad Municipality, it is the largest town in Bulgaria that is not a province center. Previously known as Stanimaka (Станимака) or Stenimachos, it was renamed in 1934 after the 13th-century tsar Ivan Asen II. Asenovgrad includes the districts of Gorni Voden and Dolni Voden, which until 1986 were separate villages.