Zagreb daxian (Zanda County), meaning "downstream there is grass," ali region, belonging to the Tibet autonomous region of the People's Republic of China, ali region has County. Located in the west of the Tibet Autonomous Region, Xiangquan River basin, one of the border counties in Ali region. It covers an area of 24,600 square kilometers. According to the data of the seventh census, as of midnight on November 1, 2020, Zada County had a permanent population of 8,454, making it the least populated county (permanent population) in China. County people's government in Tolin town Tolin neighborhood committee. As of October 31, 2021, Zada County has jurisdiction over 1 town and 6 townships.

Zada County except a few Han, Hui are Tibetan. Tolin Town, the resident of the county government, is 3,700 meters above sea level and 1760 kilometers from Lhasa. It is the political, economic and cultural center of the county.
Zada, formerly a possession of Zabulang and Dabazong. In October 1956, the two merged and the Zadazong Office was established. In May 1960, Zada County was established under the jurisdiction of Ali District. The famous site of Guge Dynasty is a national key cultural relic protection unit.

County arable land area of 110,000 mu, forest area of 370,000 mu, grassland area of 31.9 million mu.
On September 25, 2018, it was awarded the honorary title of "2018 E-commerce into Rural Comprehensive Demonstration County" by the Ministry of Commerce. On February 6, 2019, the People's Government of Tibet Autonomous Region decided to withdraw Zada County from poverty. In October 2020, it was rated as the national model city (county) of double support.

In 2019, the GDP of Zada County was 367.54 million yuan, the added value of the primary industry was 35.42 million yuan, the added value of the secondary industry was 17.12 million yuan, the general public budget revenue was 31.28 million yuan, and the general public budget expenditure was 789.97 million yuan.