Chongqing Southwest China

Chongqing  is a major city in Southwest China and one of the five national central cities in the People's Republic of China (PRC). Administratively, it is one of the PRC's four direct-controlled municipalities (the other three are Beijing, Shanghai and Tianjin), and the only such municipality in inland China.
The municipality was created on 14 March 1997, succeeding the sub-provincial city administration that was part of Sichuan province. As of November 2010, the municipality had a population of 28,846,200, although the urbanized area is estimated to have a population of only 6 or 7 million.  The municipality has jurisdiction over 19 districts, 15 counties, and 4 autonomous counties. With an area of 82,401 square kilometres (31,815 sq mi), it is the largest direct-controlled municipality, larger even than one province and an autonomous region. It is possibly the world's largest municipality by population and one of the largest by area.
The official abbreviation, , was approved by the State Council on 18 April 1997. Chongqing was also a municipality of the Republic of China administration, serving as its wartime capital during the Second Sino-Japanese War (1937–1945). Its abbreviated name is derived from the old name of a part of the Jialing River that runs through Chongqing and feeds the Yangtze River.
Chongqing is one of the most notable cities for history and culture in China , and serves as the economic centre of the upstream Yangtze area. It is the major manufacturing centre and a transportation hub for Southwest China.

history

Tradition associates Chongqing with the semi-legendary State of Ba that the Ba people supposedly established during the eleventh century BCE. By 316 BCE, however, it had been overrun by the State of Qin. The Qin emperor ordered a new city to be constructed, which was called Jiang  and Chu Prefecture
Chongqing was subsequently renamed in 581 CE (Sui Dynasty) and later 1102, to Yu Prefecture  and then Gong Prefecture . It received its current name in 1189, after Prince Zhao Dun of the Southern Song Dynasty described his crowning as king and then Emperor Guangzong as a "double celebration" (simplified Chinese; traditional Chinese: pinyin: shuāngchóng xǐqìng). Hence, Yu Prefecture became Chongqing subprefecture to mark the occasion.
In 1362, (Yuan Dynasty), Ming Yuzhen, a peasant rebelling leader, established the Daxia Kingdom  at Chongqing for a short time.
In 1621 (Ming Dynasty), another short-lived kingdom of Daliang was established by She Chongming with Chongqing as its capital.
Between 1627–1645, with the fall of the Ming Dynasty, Chongqing, together with the rest of Sichuan, were captured by the Revolts who overthrew the Ming Dynasty across the nation. Later during the Qing Dynasty, immigration to Chongqing and Sichuan took place with the support of Qing emperor.