Central Luzon (or Gitnang Luzon in Filipino), also known as Region III (or Region 3), is an administrative division or region of the Republic of the Philippines, primarily serve to organize the 7 provinces of the vast central plain of the island of Luzon (the largest island), for administrative convenience. The region contains the largest plain in the country and produces most of the country's rice supply, earning itself the nickname "Rice Bowl of the Philippines". Its provinces are: Aurora, Bataan, Bulacan, Nueva Ecija, Pampanga, Tarlac, and Zambales.
Central Luzon Region is located north of Manila, the nation's capital. Bordering the region are the regions of Ilocos, Cordillera Administrative Region and Cagayan Valley regions to the north; National Capital Region and CALABARZON to the south; and of waters of Manila Bay to the south; South China Sea to the west; and The Philippine Sea to the east.More