Is this the only case of urban division since the founding of New China?

Tianjin: In June 2009, Tanggu District, Hangu District and Dagang District of Tianjin were abolished and Tianjin Binhai New Area was established.

Shenyang: In February, 20 10, Shenyang merged Dongling District, Hunnan New District and Gaohang Base, forming a new pattern of building Great Hunnan.

Beijing: 20 10 July, Beijing abolished the original Dongcheng District and Chongwen District and established a new Dongcheng District; The original Xicheng District and Xuanwu District were abolished and a new Xicheng District was established.

Shanghai: In April 2009, the former Nanhui District of Shanghai was revoked and included in Pudong New Area; 20 1 1 In June, Shanghai announced the merger of Luwan District and Huangpu District, and the two districts were isomorphic into Greater Huangpu District.

Anhui: 2011August, Anhui Province announced the cancellation of Chaohu City, which was divided into three parts: Juchao District of Chaohu City and Lujiang County were placed under the jurisdiction of Hefei City; Wuwei County belongs to Wuhu City, and hanshan county and Hexian County belong to Maanshan City.