Zamboanga del Norte, officially the Province of Zamboanga del Norte, (Filipino: Hilagang Samboanga; Subanen: Utara Sembwangan; Cebuano: Amihanang Zamboanga) is a province of the Philippines located in the Zamboanga Peninsula region in Mindanao. Its capital is Dipolog City and the province borders Zamboanga del Sur and Zamboanga Sibugay to the south and Misamis Occidental to the east. The Sulu Sea lies to the northwest of Zamboanga del Norte. Zamboanga del Norte is the largest province of Zamboanga Peninsula in terms of land area.