Two geographic battalions were created by the 3rd Infantry Division for the Negros Island Region (NIR). MajGen. Jon Aying, Commander, 3ID presided over the activation ceremonies held May 16 in Bacolod City, and May 17 in Dumaguete City.
The 1st Negros Island Geographic Battalion that covers the province of Negros Occidental is under LtCol Antonio Tumnog; while the 2nd Negros Island Geographic Battalion that covers Negros Oriental is under Ma. Udjie Villan.