Goldasht (; formerly, Qaleh Shah (Persian: قلعه شاه), also Romanized as Qal‘eh Shāh, Qal‘eh-ye Shāh, and Ghalehshah meaning "Castle of the King", after the Iranian Revolution, the name was changed to Shahrak-i Imam (Persian: شهرک امام), meaning "City of the Imam" in honor of Ayatollah Khomeini) is a city in the Central District of Najafabad County, Isfahan Province, Iran. At the 2006 census, its population was 22,693, in 5,830 families.