Question: Hechuan District and Harbin, are located in which country?

Context paragraphs:
Harbin No 3 High School: Harbin No.3 High School (Chinese: 哈尔滨市第三中学) is the most prestigious high school in Harbin, Heilongjiang Province.  And it is one of the top high schools in China.  It has two campuses.  One is located in the center of Harbin, Nangang District, and the other one is located in Qunli District of Harbin.  Harbin No.3 High School is a historical cultural site of Harbin due to its long history.  Qunli District campus is more than 240,000 meter squared with its entrance gate more than 50 meters wide.  It is one of the largest in China.The admission is given based on test results.  Among all the candidates in Harbin and surrounding cities, only the top 1% students will be selected.

Jinlongshan: Jinlongshan (), formerly Daling Township () until October 2010, is a town in the southeast of Acheng District, Harbin, China, located more than 35 km southeast of the urban area of Harbin.  Near the town is the Mount Hengtou National Forest Park (横头山国家森林公园).

Hezhou Prefecture: Hezhou or He Prefecture (合州) was a "zhou" (prefecture) in imperial China centering on modern Hechuan District, Chongqing, China.  It existed (intermittently) from 556 to 1913.

Harbin: Harbin (   ) is the capital and largest city of Heilongjiang province in the northeastern region of the People's Republic of China.  Holding sub-provincial administrative status, Harbin has direct jurisdiction over nine metropolitan districts, two county-level cities and seven counties.  Harbin is the eighth most populous Chinese city and the most populous city in Northeast China.  According to the 2010 census, the built-up area made of seven out of nine urban districts ("all but Shuangcheng and Acheng not urbanized yet") had 5,282,093 inhabitants, while the total population of the sub-provincial city was up to 10,635,971.  Harbin serves as a key political, economic, scientific, cultural, and communications hub in Northeast China, as well as an important industrial base of the nation.

Harbin East Railway Station: Harbin East Railway Station is a railway station located in Daowai District or Harbin, in the Heilongjiang province of China.  Its construction was begun in December 1932 and finished in June 1934.  In 1987 and 2002, the station was expanded.  It was renamed Harbin East Station in 1990, as its former name was Sankeshu Station.

Pingfang Railway Station: Pingfang Railway Station is a railway station of Lafa–Harbin Railway and located in the Pingfang District of Harbin, Heilongjiang province, China.

Hechuan District: Hechuan () is a district in the northern part of Chongqing Municipality, People's Republic of China, located at the meeting point of the Jialing, Fu and Qu rivers, with a history of 1,500 years.  Hechuan is 54 km away from downtown Chongqing's Yuzhong District.

Diaoyu Fortress: The Diaoyu Fortress or Diaoyucheng () is one of the great ancient battlefields of China, located on the Diaoyu Mountain in Heyang Town, Hechuan District, Chongqing.  It is famous for its resistance to the Mongol armies in the latter half of the Song Dynasty.  One of the most notable events was the death of Mongol leader Möngke Khan near the city, which forced the immediate withdrawal of Mongol troops from Syria and East Asia and prevented the Mongolian Empire from expanding towards Africa.

Hongxing, Harbin: Hongxing () is a town situated in the Harbin prefecture of Heilongjiang, China.  It is under the jurisdiction of Acheng District.  It is located about 11 km east of the town of Acheng and 64.7 km southeast of Harbin.  It contains the Hongxing Reservoir.

Zhoujia Railway Station: Zhoujia Railway Station is a railway station of Lafa–Harbin Railway and located in the Shuangcheng District of Harbin, Heilongjiang province, China.

Supporting paragraphs: Hechuan District Harbin
Answer: People's Republic of China