Which province and city does Lanshan County belong to?

Yongzhou City, Hunan Province.

According to Baidu Encyclopedia query, Lanshan County, a county under the jurisdiction of Yongzhou City, Hunan Province, is located on the southern border of Hunan Province, on the north side of the middle section of the Nanling Mountains, bordering Linwu County, and Jianghua Yao Autonomous County and Guangdong Province to the south. The province is adjacent to Lianzhou City, Ningyuan County to the west, and Jiahe County to the north.

Lanshan Mountain is located at the eastern foot of Jiuyi Mountain in the hinterland of the Nanling Mountains. Within the territory there are Taxia Temple Scenic Area, Emperor Shun's Southern Tour Trace Tour Area, Yao Folk Customs Tourist Area, Nanfeng'ao Summer Resort and Leisure Scenic Area, Tongtong Xinyan Underground Cave Adventure Tourist Area and Taiping Shicheng Tourist Area. In addition, there are also the ancient residential complex of Huxi with a long history, the weather-beaten Pavilion Fengyu Bridge, the beautiful stone pillars and peaks, the Yaojia Diaojiaolou, the magical bamboos in Bantang Nature Reserve, the slogans left by the Red Army during the Long March, etc.