This largely agricultural area is located immediately west of the metropolitan city of Daegu.

Lotte Skyhill Seongju Country Club (36°02′58″N 128°13′34″E / 36.049359°N 128.226223°E / 36.049359; 128.226223) was selected as the location for the deployment of Terminal High Altitude Area Defense (THAAD) system in July 2016.

[2][3] Seongju County is famous for its production of oriental melons.

Farms in the county comprise about 70% of total oriental melon production in the country.

[4] Seongju County is divided into 1 eup and 9 myeon.