Sơn Trà was a former urban district (quận) of Da Nang in the South Central Coast region of Vietnam. As of 2003 the district had a population of 112,196. The district covers an area of . The district is bounded by ocean to the north and east, the Hàn River to the west, and Ngũ Hành Sơn district to the south. Sơn Trà Mountain occupies a large portion of the district.
The district was divided into 7 wards (phường): An Hải Bắc An Hải Đông An Hải Tây Mân Thái Nại Hiên Đông Phước Mỹ Thọ Quang The district capital lay at An Hải Tây ward.
After the 2025 Vietnamese administrative reforms, the district was split into Sơn Trà ward and An Hải ward.
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