sentences:  In 1917, Thap Than District was added to Uthai Thani Province.Neighboring districts are (from the southeast clockwise) Mueang Uthai Thani, Nong Khayang, Nong Chang, Lan Sak, and Sawang Arom of Uthai Thani Province; Krok Phra of Nakhon Sawan Province.The district is divided into 10 sub-districts ("tambons"), which are further subdivided into 90 villages ("mubans").