Huaihua is a prefecture-level city in the southwest of Hunan province, China. It covers 27,564 km2 (10,643 sq mi) and is bordered by Xiangxi to the northwest, Zhangjiajie and Changde to the north, Yiyang, Loudi and Shaoyang to the east, Guilin and Liuzhou of Guangxi to the south, and Qiandongnan and Tongren of Guizhou to the southwest. It has a population of 4,741,948, accounting for 7.22% of the provincial population. According to the 2010 Census, 2,909,574 people, or 61.4% of the population, are Han Chinese. Minorities constitute 38.6% of the population, with 1,832,289 people. The Dong, Miao, Tujia, Yao and Bai are major native minority groups. Huaihua is the central region of the Dong ethnic population, home to nearly 28.35% of the Chinese Dong ethnic group.

Guilin, formerly romanized as Kweilin, is a prefecture-level city in the northeast of China's Guangxi Zhuang Autonomous Region. It is situated on the west bank of the Li River and borders Hunan to the north. Its name means "forest of sweet osmanthus", owing to the large number of fragrant sweet osmanthus trees located in the region. The city has long been renowned for its scenery of karst topography.