Negros Island Region (NIR), or Region XVIII, is an island region in the Philippines located in the Visayas, created through EO 183, s. 2015 by H.E. Pres. Benigno Aquino, III.
It was first initiated initiated by then Negros Occidental Gov. Rafael Coscolluela and then Negros Oriental Gov. Emilio Macias in May 1994 to speed up the delivery of basic services and promote the equitable distribution of resources. NIR aims to foster an integrated development and rapid socio-economic growth of the island.