Dogonbadan (, ; also Romanized as Do Gonbadān, Dow Gonbadān, and Du Gunbadān; also known as Gachsaran (), also Romanized as Gachsārān) is a city and the capital of Gachsaran County, Kohgiluyeh and Boyer-Ahmad Province, Iran. At the 2006 census, its population was 81,902, in 18,264 families. Economy Dogonbadan is an oil and gas producing city that has just started to expand and profits from its industrial capacity. The city has the largest gas reserves in Iran also has the largest recoverable oil field in Iran and third in the world. Gallery References External links Gachsaran cultural site Gachsaran Daily News Website Populated places in Gachsaran County Cities in Kohgiluyeh and Boyer-Ahmad Province