Tabas (formerly, Golshan or Gulshan) capital of Tabas County, lies in a desert like terrain to the northwest of the province. In the higher regions it experiences a temperate climate, whereas in the plains it is hot. Tabas is 1,345 km. from Tehran. It has been subjected to upheavals and attacks such as the Ottomans and then was occupied by the Esmailieh (a religious sect). During the reign of the Saljuqian, the Esmailieh fortresses were attacked. In the time of Shah Abbas I this city was ruined by the Ozbaks. Many of the historical features remaining there relate to the 5th and 9th century AH.
Tabas is located in central Iran, 950 kilometers southeast of Tehran, in South Khorasan Province. At first, it was part of the greater Khorasan province, but in 2001 it was annexed to Yazd Province. However, in 2013 it was returned and became part of South Khorasan province.
It is a desert city with lots of date and citrus trees. It has a 300-year-old public garden, (Baghe-golshan. There is also a shrine in Tabas that is visited every year by thousands of pilgrims. Tabas has two universities, with 2500 to 3500 students. The city has hot summers and people rarely see a winter snowfall. The people of Tabas speak a Khorasani dialect of Persian that sounds somewhat different from the standard Iranian version (Tehran Persian).