Ngau Chi Wan
Ping Shek Estate () is a public housing estate in Ping Shan, Kwun Tong, Kowloon, Hong Kong. Choi Hung Estate is situated to its west, Ngau Chi Wan Municipal Services Building to its north, Richland Gardens to its south. A section of Lung Cheung Road between Choi Hung Estate and Ping Shek Estate is the boundary between Wong Tai Sin District and Kwun Tong District and belongs to Kwun Tong District. The area covers the Ping Shek constituency for the Kwun Tong District Council.