1. Benguet: The province of Benguet in the Cordillera Administrative Region is home to some of the richest copper deposits in the Philippines. The copper mines in Benguet have been historically significant and have contributed substantially to the country's copper production. Several mining companies operate in this area, including the Benguet Corporation and Philex Mining Corporation.
2. Pangasinan: Another province in the northern part of the Philippines, Pangasinan, also hosts copper deposits. The Benguet Corporation operates the Acupan Copper Project, which is located in this province.
3. Masbate: The island province of Masbate in the Bicol Region is known for its copper mining activities. The Masbate Gold Project operated by Filminera Resources Corporation is located here and is one of the major copper producers in the country.
4. Eastern Samar: The province of Eastern Samar in the Eastern Visayas Region has significant copper deposits, particularly in the municipalities of Guiuan and Mercedes. Several exploration and mining activities have been conducted in these areas.
5. Palawan: Palawan, an island province in the Mimaropa Region, also has copper deposits, and exploration activities have been ongoing in various parts of the province.
These copper-producing regions have played a vital role in the country's mining industry, contributing to the Philippines' standing as a major producer and exporter of copper concentrates and other copper products.