The township of Gorgan is situated in the southwest of the province and its neighbors are: Semnan province from south, Kord Kooy and Bandar Turkaman from west, Ali Abad and Gonbad Kavoos from east, and from north it is limited to Gonbad Kavoos. The center of province of Golestan. The distance between Gorgan and Tehran is 397 km. and has a temperate climate.
Gorgan (or Jorjan) was important city in the 4th century AH. specially at the time of Shamsolmaali Qabous Ebne Voshmgir. But from the 4th century lost its importance and was destroyed in the Mongol attack. Gorgan (Jorjan) before Islam, was one of the important provinces of Iran that almost had independence but in certain periods was a part of greater Khorassan. Due to the Mongol and Teimoorian attacks, Jorjan was destroyed. This town was known as Astar Abad till the end of the Qajar dynasty. Astar Abad was named Darolmomenin in the Safavid era. At the time of Nader Shah due to the Turkamans attack, a rampart was made around it. After that in the Qajarieh dynasty, it changed to a new and modern town. In recent times it has rapidly expanded.