Which district does Zhongshan Torch Development Zone belong to?

Zhongshan city. Torch Development Zone belongs to Zhongshan City, a district of its own, and does not belong to other administrative regions. State-level Zhongshan Torch High-tech Industrial Development Zone (hereinafter referred to as "Torch Development Zone"), formerly known as Zhangjia Border Region, is located in the east of Zhongshan City and is the location of zhongshan port, an opening port. It is adjacent to Hengmen Sea in the east, nanlang town in the south, Shi Qi District and East District in the west, and across Hengmen Waterway in the north. The area covers a total area of 90 square kilometers and governs 7 communities.