Does chungking mansions in Hongkong have anything to do with Chongqing?

Chungking mansions is not directly related to Chongqing.

Chungking mansions in the film Chongqing Forest, located in Nathan Road, south of Tsim Sha Tsui, is a mixed building with cheap hotels, Indian restaurants and foreign exchange traders.

There are many hotels in Tsim Sha Tsui, including Peninsula Hotel, Intercontinental Hong Kong Hotel, Sheraton Hong Kong Hotel, three Marco Polo Ro Hotel in Hong Kong and Hyatt Regency Hong Kong under reconstruction. Generally, hotels have some high-class restaurants and banquet halls.