Department of the Interior and Local Government, Region 9 The region also has five (5) cities namely: Dapitan, Dipolog, Isabela, Pagadian and Zamboanga.
Zamboanga Peninsula Profile
Location
Region IX or the Zamboanga Peninsula Region is located in the western part of Mindanao. It is bounded by: Sulu Sea on the north; Illana Bay and Moro Gulf on the south; Misamis Occidental, Lanao del Norte and Panguil Bay on the east; and the Celebes Sea on the west. Composition
Through Executive Order No. 36 signed by President Gloria Macapagal-Arroyo on Se
ptember 2001 which provides for the reorganization of the administrative regions in Mindanao, Region IX presently consists of the three (3) provinces of Zamboanga del Norte, Zamboanga del Sur and Zamboanga Sibugay. The province of Basilan, on the other hand, opted to join the Autonomous Region in Muslim Mindanao. Zamboanga Peninsula is a peninsula and an administrative region in the Philippines. Designated as Region IX, the region consists of three provinces, namely, Zamboanga del Norte, Zamboanga del Sur, and Zamboanga Sibugay, and the chartered and Independent city of Zamboanga City at the south-eastern tip, with Pagadian City as its new regional center. The region was previously known as Western Mindanao before the enactment of Executive Order No. 36 on September 19, 2001. After the United States annexed the Spanish East Indies in 1898, Zamboanga was briefly independent as the Republic of Zamboanga. It became a part of the Moro Province, which consisted of Mindanao and the Sulu Archipelago. The name and status of Moro province soon changed to the Department of Mindanao and Sulu on August 16, 1916, that caused Zamboanga to become a province. On 1942, the occupied by the Japanese Imperial forces taken in Zamboanga Peninsula
On 1945, the liberation at Zamboanga Peninsula by defenders of the Philippine and United States forces against the Japanese Imperial forces during the World War II. On June 6, 1952, the province was divided into two provinces, Zamboanga del Norte and Zamboanga del Sur, while the chartered City of Zamboanga became an independent city. Region
Together with the Sulu Archipelago, the provinces that formerly made up Zamboanga province were organized into Region IX by order of Presidential Decree No. 1 as part of the Integrated Reorganization Plan of President Ferdinand Marcos. Between 1975 to 1989 the old Region IX (Western Mindanao) was divided into two sub-regions by Presidential Decree No. 773 dated August 21, 1975. Sub-Region IX-A consisted of Basilan, Sulu and Tawi-Tawi with Jolo, Sulu as the sub-regional center. Sub-Region IX-B consisted of the provinces of Zamboanga del Norte and Zamboanga del Sur, with the chartered city of Zamboanga City as the sub-regional center.
