Nongbua Lamphuball

 is a provinceball of Thailandball. It is also known as Nong Bua Lamphu. It is located in inland Thailandball, in upper northeastern Thailandball. It borders three other Thai provinces (changwat), Udon Thaniball, Khon Kaenball, and Loeiball, all in Isan (North Eastern Thailandball). It is located in the heart of the Khorat plateau.