Question: Where are both Heshan, Guangxi and Jian'ou located?

full_context: Document 1: Heshan, Guangxi: Heshan () is a county-level city of central Guangxi, China, located on the lower reaches of the Hongshui River. It is under the administration of Laibin City.
Document 2: Jian'ou: Jian'ou () is a county-level city of Nanping in the north of Fujian province, China.
Document 3: Fuzhou, Jiangxi: Fuzhou (, ), Fuzhou dialect (Timtonese): Fú-Diù, also named as Gandong ("lit." East of Jiangxi. Chinese: 赣东), is a prefecture-level city in the northeastern part of Jiangxi province, People's Republic of China.
Document 4: Ruijin: Ruijin () is a county-level city of Ganzhou in the mountains bordering Fujian Province in south-eastern Jiangxi.
Document 5: Cenxi: Cenxi () is a county-level city under the administration of Wuzhou City, in the east of Guangxi, People's Republic of China.
Document 6: Quanzhou: Quanzhou, formerly known as Chinchew, is a prefecture-level city beside the Taiwan Strait in Fujian Province, China. Its is Fujian's largest metropolitan region, with an area of 11,245 km2 and, as of the 2010 census, a population of 8,128,530. Its built-up area is home to 6,107,475 inhabitants, encompassing the Licheng, Fengze, and Luojiang urban districts; Jinjiang, Nan'an, and Shishi cities; Hui'an County; and the Quanzhou District for Taiwanese Investment. Quanzhou was China's 12th-largest extended metropolitan area in 2010.
Document 7: Jianzhou (Fujian): Jianzhou or Jian Prefecture (建州) was a "zhou" (prefecture) in imperial China centering on modern Jian'ou, Fujian, China. It existed (intermittently) from 621 to 1162.
Document 8: Jiangshan: Jiangshan () is a county-level city located in Quzhou prefecture, Zhejiang Province, China. Located about 250 kilometers southwest of Hangzhou, the provincial capital, it is the only county-level city in the prefecture. In 1999, Jiangshan's population stood at 563,196. The city is named aptly: Jiang means river and Shan means mountain; a river runs through the city and scenic Mt. Jianglang sits on its border.
Document 9: Hezhou: Hezhou (贺州 ) is a prefecture-level city in the northeast of the Guangxi Zhuang Autonomous Region, People's Republic of China.
Document 10: Hun River (Liao River tributary): The Hun River (渾河, "the muddy river") is a river in Liaoning Province, China, and was formerly one of the largest tributaries of the Liao River. It was also formerly known as Shen River (瀋水). Two of Liaoning's most important cities, the provincial capital Shenyang and the seventh largest city Fushun, are located on the Hun River.
Document 11: Yingtan: Yingtan () is a prefecture-level city in the east of Jiangxi province, People's Republic of China, bordering Fujian to the southeast. Its location near the trisection of Jiangxi, Fujian, and Zhejiang has made it a strategically important city for centuries. Today, it continues to be a major rail transport hub.
Document 12: Guilin: 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 city. The city has long been renowned for its scenery of karst topography and is one of China's most popular tourist destinations.
Document 13: Guiping: Guiping is a county-level city in eastern Guangxi, China. It is under the administration of Guigang City, located at the confluence of the Qian and Yu rivers, which are the Xi River's primary north and south tributaries, respectively.
Document 14: Jian'ou dialect: Jian'ou dialect (Northern Min: Gṳ̿ing-é-dī / 建甌事 ; Chinese: ), also known as Kienow dialect, is a local dialect of Northern Min Chinese spoken in Jian'ou in the north of the Fujian province. It is regarded as the standard common language in Jian'ou.
Document 15: Heshun Town: Heshun Town () is an ancient town in Tengchong City, located four kilometers southwest of the city centre in Yunnan, China. The town's ancient name is Yangwendun () which was changed to Heshun () and eventually the name it bears today. Heshun is well known for its quadrangle courtyards that have been built into the town's hills.
ground_truth: China