Question: Ezhou and Quzhou are both cities located in which country?

full_context: Document 1: Jiujiang: Jiujiang (), formerly transliterated Kiukiang or Kew Keang, is a prefecture-level city located on the southern shores of the Yangtze River in northwest Jiangxi Province, People's Republic of China. It is the second-largest prefecture-level city in Jiangxi province after the provincial capital Nanchang. "Jiujiang" literally means "nine rivers".
Document 2: Meizhou: Meizhou is a prefecture-level city in eastern Guangdong province, China. It has an area of 15864.51 km² , and a population of 4.33 million at the 2010 census. It comprises Meijiang District, Meixian District, Xingning City and five counties. Its built-up or metro area made up of two districts was home to 935,516 inhabitants at the 2010 census.
Document 3: 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 4: Jiangnan: Jiangnan or Jiang Nan (; sometimes spelled Kiang-nan) is a geographic area in China referring to lands immediately to the south of the lower reaches of the Yangtze River, including the southern part of the Yangtze Delta. The region encompasses the Shanghai Municipality, the southern part of Jiangsu Province, the southern part of Anhui Province, the northern part of Jiangxi Province, and the northern part of Zhejiang Province. The most important cities in the area are Anqing, Nanjing, Zhenjiang, Changzhou, Wuxi, Suzhou, Shanghai, Hangzhou, Ningbo, and Shaoxing.
Document 5: Chuzhou: Chuzhou () is a prefecture-level city in eastern Anhui Province, China. It borders the provincial capital of Hefei to the southwest, Huainan to the west, Bengbu to the northwest, Chaohu to the south, and the province of Jiangsu to the east. According to the 2010 Census, the city of Chuzhou has a registered population of 3,937,868 inhabitants, whom 562,321 lived in the built-up ("or metro") area made of 2 urban districts. Nevertheless, 7,260,240 persons declared to be permanent residents.
Document 6: Hongshan District, Wuhan: Hongshan District () forms part of the urban core of and is one of 13 districts of Wuhan, the capital of Hubei province, People's Republic of China. It is the most populous of all the districts, and is the most spacious but least densely populated among the city's seven core districts. On the right bank of the Yangtze, it borders the districts of Wuchang and Qingshan to the north; on the opposite bank it borders, from west to east, Caidian, Hanyang, Jiang'an, Huangpi, and Xinzhou. The district also borders the prefecture-level city of Ezhou.
Document 7: Echeng District: Echeng District () is one of the three administrative districts into which the prefecture-level city of Ezhou, China's Hubei province, is divided. The district is quite small, and includes Ezhou's main urban area (i.e., in informal terms, Ezhou "city proper") and its eastern and southern suburbs.
Document 8: Xiaogan: Xiaogan () is a prefecture-level city in east-central Hubei province, People's Republic of China, some 60 km northwest of the provincial capital of Wuhan. According to the 2010 census, its population totaled 4,814,542, of whom 908,266 lived in the built-up ("or metro") area of Xiaonan District.
Document 9: Jiaojiang District: Jiaojiang District (Tai-chow dialect: Tsiao-kông K'ü; ) is a district and the seat of the prefecture-level city of Taizhou in Zhejiang Province, China. It is named after the Jiao River (Jiaojiang in Chinese).
Document 10: Anhui: Anhui ( ; ) is a landlocked province of the People's Republic of China located in the eastern region of the country. Located across the basins of the Yangtze River and the Huai River, it borders Jiangsu to the east, Zhejiang to the southeast, Jiangxi to the south, Hubei to the southwest, Henan to the northwest, and Shandong for a short section in the north. The provincial capital is Hefei.
Document 11: Quzhou:    () is a prefecture-level city in western Zhejiang province, People's Republic of China. Sitting on the upper course of the Qiantang River, it borders Hangzhou to the north, Jinhua to the east, Lishui to the southeast, and the provinces of Fujian, Jiangxi and Anhui to the south, southwest and northwest respectively.
Document 12: 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 13: Zhaoqing: Zhaoqing, formerly romanized as Shiuhing, is a prefecture-level city in Guangdong Province, China. During the 2010 census, its population was 3,918,467, with 1,232,462 living in the urbanized areas of Duanzhou District and Gaoyao County. The prefectural seat—excluding Seven Star Crags—is fairly flat, but thickly forested mountains lie just outside its limits. Numerous rice paddies and aquaculture ponds are found on the outskirts of the city. Sihui and the southern districts of the prefecture are considered part of the Pearl River Delta.
Document 14: Ezhou: Ezhou () is a prefecture-level city in eastern Hubei Province, China. As of the 2010 census, the city had a population of 1,048,668, of which 668,727 lived in the core Echeng District. The Ezhou - Huanggang built-up ("or metro") area was home to 1,035,496 inhabitants from the Echeng and Huangzhou, Huanggang Districts.
Document 15: Qianhuang: Qianhuang is a Chinese city located south of Changzhou city, in southern Jiangsu province of the China. It is 8 kilometers away from Wujin District. To the east of Qianhuang is Wuxi, a national tourist resort, and it is 15 kilometers away from Yixing, a famous pottery city.
ground_truth: China