Bobai County is under the jurisdiction of Yulin City, Guangxi Zhuang Autonomous Region. It is the largest Hakka populated county in the world. Located in the southeast of Guangxi Zhuang Autonomous Region, it is adjacent to Luchuan County in the east, Lianjiang City of Guangdong Province in the southeast, Pubei County of Qinzhou City in the west, Hepu County of Beihai City in the south, and Fumian District of Yulin City in the north, with a total area of 3835.85 square kilometers. In 2020, the total registered population of Bobai County is 1,295,200. The resident ethnic group is Han, and there are 34 ethnic minorities. By October 2021, Bobai County has jurisdiction over 28 towns, and the county government is located at No. 69 Bobai Town Street.

Bobai County, because of the Bobai River (today's Xiaobai River) name. Tang Wude four years (621 years), in Nanchang County set south down state (said: South Rock). In the same year, analysis of Hepu County Hepu County set South. Jurisdiction over Bobai, Zhouluo County, Jianning County, Longhao County, Longping County, Chunliang County and other counties. In 1997, the Yulin area was abolished and Yulin City was established at the prefecture level, and Bobai County was subordinate to Yulin City. In May 2020, the People's Government of Guangxi Zhuang Autonomous Region approved the removal of Bobai County from the poverty-stricken county list.

In 2020, the GDP of Bobai County was 29.121 billion yuan, an increase of 2.2 percent over the previous year. The value added of the primary industry was 9.744 billion yuan, while that of the secondary industry was 5.901 billion yuan. The added value of tertiary industry was 13.476 billion yuan, and that of tertiary industry was 33.4∶20.3 ∶46.3.