Question: Where are Luoding and Dingzhou located?

full_context: Document 1: Handan: Handan () is a prefecture-level city located in the southwestern part of Hebei province, China. It borders Xingtai on the north, and the provinces of Shanxi on the west, Henan on the south and Shandong on the east. At the 2010 census, its population was 9,174,683 inhabitants whom 2,845,790 lived in the built-up ("or metro") area made of 3 urban districts, Handan and Yangyan counties, and Shahe City in Xintai municipality, largely being conurbated now.
Document 2: Haotouzhuang Hui Ethnic Township: Haotouzhuang Hui Ethnic Township (; Xiao'erjing: هَوْتِوْتُوْا خُوِذُو سِیْا) is an ethnic township under the administration of Dingzhou City in Hebei province, China, located about 12 km southeast of downtown Dingzhou in the southern part of Baoding City. , it has 17 villages under its administration.
Document 3: Qingfengdian: Qingfengdian () is a town under the administration of Dingzhou City in western Hebei province, China, located about 12 km northeast of downtown Dingzhou and just off of China National Highway 107. It has an area of 53 km2 and a reported population of 49,000 people.
Document 4: Linqing: Linqing () is a county-level city under the administration of the prefecture-level city of Liaocheng in western Shandong Province, China.
Document 5: 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 6: Tongzhou District, Beijing: Tongzhou District (, alternate spellings "Tungchow" "Tungchou" (T'ung-chou), or Tong County during 1914-1997) is a district of Beijing. It is located in southeast Beijing and considered the eastern gateway to the nation's capital. Downtown Tongzhou itself lies around 20 km east of central Beijing, at the northern end of the Grand Canal (on the junction between the Tonghui Canal and the Northern Canal) and at the easternmost end of Chang'an Avenue. The entire district covers an area of 906 km2 , or 6% of Beijing's total area. It had a population of 673,952 at the 2000 Census, and has seen significant growth and development since then, growing to a population of 1,184,000 at the 2010 Census. The district is subdivided into 4 subdistricts, 10 towns, and 1 ethnic township.
Document 7: Jiucheng, Xinji: Jiucheng () is a town of Xinji City in southern Hebei province, China, located 16 km northeast of downtown Xinji and in between G1811 Huanghua–Shijiazhuang Expressway and China National Highway 107. , it has 33 villages under its administration.
Document 8: Luoding: Luoding, formerly romanized as Loting, is a county-level city in western Guangdong, China. It is administered as part of Yunfu.
Document 9: Lufeng, Guangdong: Lufeng, formerly romanized as Lukfung, is a county-level city in Guangdong, China, administered as a part of the prefecture-level city of Shanwei. It lies on the mainland on coast of the South China Sea east of Hong Kong.
Document 10: Lianzhou: Lianzhou (), formerly Lian County or Lianxian (postal: Linhsien), is a county-level city in northern Guangdong Province, China, under the administration of the prefecture-level city of Qingyuan. It is known as the host city of the Lianzhou International Photography Festival (LIPF) and as a historic and cultural landmark of Guangdong Province.
Document 11: Dingzhou: Dingzhou (), formerly Dingxian ( postal: Tingsien) is a county-level city with sub-prefecture-level city status, located under the administration of the prefecture-level city of Baoding in the southwest of Hebei Province in northern China, about halfway between Baoding and Shijiazhuang. As of 2009, Dingzhou had a population of 1.2 million. Dingzhou has 3 subdistricts, 13 towns, 8 townships, and 1 ethnic township. Dingzhou is 196 km southwest of Beijing, 68 km northeast of Shijiazhuang.
Document 12: Xinji: Xinji(辛集，Xīnjí) is a county-level city with sub-prefecture-level city status, located under the administration of the prefecture-level city of Shijiazhuang of Hebei Province in northern China. There are 8 towns (镇，zhèn) and 7 townships (乡，xiāng) under the administration of Xinji.
Document 13: Luoding Railway: The Luoding Railway () is a privately owned railway in Guangdong Province, People's Republic of China. It became the only privately owned passenger rail service in the People's Republic of China in 2006, when it was sold to Shenzhen China Technology Industry Group Corporation Limited.
Document 14: Langfang: Langfang (), is a prefecture-level city of Hebei Province, which was known as Tianjin Prefecture until 1973. Hebei province was renamed Langfang Prefecture after Tianjin became a municipality and finally upgraded into a prefecture-level city in 1988. Langfang is located approximately midway between Beijing and Tianjin. At the 2010 census, the population of Langfang was 4,358,839, of whom 868,066 lived in the built-up ("or metro") area made of Guangyang and Anci districts; its total area is around 6417.28 km² . Langfang borders Baoding to the southwest, Cangzhou to the south (both prefecture-level cities of Hebei), Beijing to the north and Tianjin to the east. Sanhe City and Dachang Hui County are now conurbated with Beijing, so that they form part of the same built-up area. Langfang is the smallest prefecture-level city of Hebei Province by land area.
Document 15: Luzhou: Luzhou (; Sichuanese Pinyin: Nuzou; Luzhou dialect: ), formerly transliterated as Lu-chou or Luchow, is a prefecture-level city located in the southeast of Sichuan Province, China. The city, named Jiangyang until the Southern and Northern Dynasties, is known as the "wine city". Situated at the confluence of the Tuo River and the Yangtze River, Luzhou is not only an important port on the Yangtze river, but also the largest port in both size and output in Sichuan province since Chongqing seceded from Sichuan province in 1997.
ground_truth: China