Jask (Persian: جاسک, also Romanized as Jāsk; also Bandar-e Jask (Persian: بَندَرِ جاسک), also Romanized as Bandar-e Jāsk) is a city in and the capital of Jask County, Hormozgan Province, Iran. At the 2006 census, its population was 11,133, in 2,406 families.Jask is a port town, about 1,690 kilometres (1,050 mi) south of Tehran,situated on the Gulf of Oman.