Gan' an County belongs to Songyuan City, Jilin Province, and is located at east longitude12321'12422' 50 "and north latitude 44 37' 47"-4518' 08 ". It borders the former Guoerluosi Mongolian Autonomous County, Changling County, Tongyu County and Da 'an City.

Gan 'an County is also the only county in China that uses thousands of characters to select village names in turn, forming a unique and unique humanistic place name and zoning landscape in China, which is known as the "well-shaped square". The famous scenic spot is Dabusu Mud Forest, which was promoted to Dabusu National Nature Reserve in August 2005 and approved by the Ministry of Land and Resources as Gan 'an Mud Forest National Geopark in 2009.

Historical evolution:

/kloc-0 was placed under the jurisdiction of Jilin province in April, 1949.

In August, 1954 was under the administrative office of Baicheng District, Jilin Province.

/kloc-0 was placed under the jurisdiction of Songyuan city in July, 1992.

From 2000 to 2002, Gan 'an County governed 6 towns and 9 townships.

In 2003, there were 6 towns and 9 townships, and there were 167 villages.

In May, 2020, Jilin Provincial People's Government approved the establishment of three sub-district offices in Gan 'an County: Ye Rong, Chiyu and Rusong. Keep Gan 'an Town and move Gan 'an Town People's Government to Taozi Village. After adjustment, Gan 'an County governs 3 streets, 6 towns and 4 townships, namely Ye Rong Street, Chiyu Street, Rusong Street, Gan 'an Town, Dabusu Town, Shuizi Town, Rangzi Town, Suozi Town, Anzi Town, Yu Zi Township, Daozi Township, Yanzi Township and Zanzi Township.