sentences:  It was upgraded to a full district in 1956.Neighboring districts are (from the north clockwise) Wang Pong, Mueang Phetchabun, Nong Phai and Bueng Sam Phan of Phetchabun Province, Nong Bua of Nakhon Sawan Province, and Dong Charoen and Tap Khlo of Phichit Province.The district is divided into nine sub-districts ("tambons"), which are further subdivided into 125 villages ("mubans").