Zamboanga Sibugay, officially the Province of Zamboanga Sibugay is a 79th province created in the Philippines when its territories were carved out from the third district of Zamboanga del Sur, Zamboanga Sibugay is located in the Zamboanga Peninsula region in Mindanao. Its capital is Ipil and it borders Zamboanga del Norte to the north, Zamboanga del Sur to the east, and Zamboanga City to the southwest.

Zamboanga Sibugay has 389 barangay and 16 municipalities with the following names: Alicia, Buug, Diplahan, Imelda, Ipil, Kabasalan, Mabuhay, Malangas, Naga, Olutanga, Payao, Roseller Lim, Siay, Talusan, Titay, Tungawan.