Geze County belongs to the Tibet Autonomous Region of the People's Republic of China. It is located in the northwest of Tibet, the eastern part of Ngari Prefecture and the hinterland of the Northern Tibet Plateau. It borders Shuanghu and Nyima County of Naqu City on the east, Cuoqin County on the southeast, Zhongba County of Xigatse City on the south, Geji and Ritu County on the west, and Xinjiang Uygur Autonomous Region on the Kunlun Mountain to the north. It is 450 kilometers long from east to west and 670 kilometers wide from north to south, with a total area of 135,580 square kilometers. It is the largest pure animal husbandry county in Ali area, accounting for about 2/5 of the total area of Ali area. In 2019, the registered population of the county was 26,735. As of midnight on November 1, 2020, the resident population of Geze County is 25,327.

Gaisei County jurisdiction over 1 town, 6 townships: Gaisei Town, Wuma Township, Xianzhan Township, Mami Township, Dongcuo Township, Gu Mu Township, Chabu Township. A total of 1 community, 49 administrative villages, the government resident in Geze town. In 2019, the county had a total population of 26,735. S301 and 216 National highways (the center is the second line of the New Tibet Highway) pass through the county.

On December 9, 2019, the People's Government of Tibet Autonomous Region approved Geze County's withdrawal from the poverty-stricken county.
In 2019, the GDP of Geze County was 742.59 million yuan, the added value of the primary industry was 230.93 million yuan, the added value of the secondary industry was 128.61 million yuan, the general public budget revenue was 50.3 million yuan, and the general public budget expenditure was 1379.86 million yuan.