Golpayegan (Persian: Golpāyegān‎‎, also Romanized as Golpayegan; also known as Shahr-e Golpāyegān meaning "City of Golpayegan") is a city in and the capital of Golpayegan County, Isfahan Province, Iran. At the 2006 census, its population was 47,849, in 14,263 families. Golpayegan is located 186 kilometres (116 mi) northwest of Isfahan and 102 kilometres (63 mi) southeast of Arak, situated at an altitude of 1,830 m. Its temperature fluctuates between +37° and -10° Celsius.