Xiling. According to Baidu map query, the west of Bobai Lingjiao Side Dam in Yulin, Guangxi is in Xiling. Bobai County is under the jurisdiction of Yulin City, Guangxi Zhuang Autonomous Region. It is the county with the largest Hakka population in the world. It is located in the southeast of Guangxi Zhuang Autonomous Region, adjacent to Luchuan County in the east, Lianjiang City in Guangdong Province in the southeast, Pubei County in Qinzhou City in the west, Hepu County in Beihai City in the south, and Fumian District in Yulin City in the north. The total area 3835.85 square kilometers.