Shenzhenwan refers to an area associated with Deep Bay, a body of water located between the Yuen Long District in the New Territories of Hong Kong and the city of Shenzhen in Guangdong Province, China.
The bay is known by different names depending on the jurisdiction; it is called Hau Hoi Wan in Hong Kong and Shenzhen Bay in mainland China. It serves as a geographic boundary between these two regions.