Futian's geography is defined by its southern waterfront, which acts as a natural and political border.
* **Shenzhen River:** Forms the southern boundary of Futian District, serving as the official border between mainland China (Shenzhen) and the Hong Kong Special Administrative Region. * **Shenzhen Bay:** The southwestern edge of the district faces Shenzhen Bay, characterized by its tidal mudflats and the protected mangrove wetlands that line the coast.
