Chongqing, Sichuan Province belongs to which city?

Chongqing does not belong to Sichuan. Chongqing is a municipality directly under the central government, and it is at the same level as Sichuan.

Sichuan, referred to as "Sichuan" or "Shu" for short, is located in the southwest hinterland of Chinese mainland and has been known as "the land of abundance" since ancient times. It is the gateway to western China and the hometown of giant pandas. Sichuan borders on Chongqing, Guizhou, Yunnan, Tibet, Qinghai, Gansu and Shaanxi. East Sichuan is hilly, middle Sichuan is Chengdu Plain and West Sichuan Plateau. Sichuan now governs 1 sub-provincial cities, 17 prefecture-level cities and 3 ethnic autonomous prefectures.