Negros Island Region
The Negros Island Region (Tagalog: Rehiyon ng Pulo ng Negros; Cebuano: Rehiyon sa Pulo sa Negros; Hiligaynon: Rehiyon sang Pulo sang Negros; NIR) is an administrative region in the Philippines. It includes the islands of Negros and Siquijor, and comprises the provinces of Negros Occidental, Negros Oriental, and Siquijor, along with the highly urbanized city of Bacolod, the region's most populous city.