Dargaz (Persian: درگز‎‎, also Romanized as Dar Gaz; also known as Darreh Gaz; formerly, Moḩammadābād, Moḩammadābād Arbāb, and Muhammadābād) is a city in and the capital of Dargaz County, in Razavi Khorasan Province, Iran. At the 2006 census, its population was 34,305, in 9,196 families.The town of Daregaz is situated 1,150 kilometres (710 mi) from Tehran and 255 kilometres (158 mi) from the center of Khorasan province.