It is located in the southwest of the krai, wedged between the Tumen River and the Peter the Great Gulf, and shares a border with both China and North Korea.

The area of the district is 4,130.0 square kilometers (1,594.6 sq mi).

[3] Its administrative center is the urban locality (an urban-type settlement) of Slavyanka.

The nature reserves include Kedrovaya Pad, established to protect the rare animals of South Primorye such as the Amur leopard, Siberian tiger, and Siberian Musk Deer; and the Far Eastern Marine Nature Reserve (1978), protecting the underwater world of the Peter the Great Gulf, including more than two thousand species of invertebrate animals (such as sea cucumber), approximately three hundred fish species, and larga seals.

There are several sea ports: Posyet, Zarubino, and Slavyanka, with transport passages to China and North Korea.