Chilgok County (Chilgok-gun) is in southwest North Gyeongsang Province, South Korea. It is near Gunwi County to the east and adjoins Gimchon-si, Seongju County to the west. It is on the Nakdong river.

Its geographical coordinate is 128°18'-128°38'to the east longitude and the north latitude 35°52' - 36°38' with average temperature of 14.8 °C and 948mm amount of rainfall.

Chilgok County is divided into 3 eup and 5 myeon.

Name	Hangeul	Hanja
Waegwan-eup	왜관읍	倭館邑
Buksam-eup	북삼읍	北三邑
Seokjeok-eup	석적읍	石積邑
Jicheon-myeon	지천면	枝川面
Dongmyeong-myeon	동명면	東明面
Gasan-myeon	가산면	架山面
Yakmok-myeon	약목면	若木面
Gisan-myeon	기산면	岐山面

• County government website Archived 2016-09-24 at the Wayback Machine
• Cheonsaengsanseong Fortresss
• Gasansanseong Fortress

35°57′N 128°32′E / 35.950°N 128.533°E / 35.950; 128.533