 Neighboring districts are (from the west clockwise) Tha Wung, Ban Mi, Khok Samrong and Phatthana Nikhom of Lopburi Province, Phra Phutthabat, Nong Don and Don Phut of Saraburi Province, Ban Phraek of Ayutthaya Province, and Chaiyo of Ang Thong Province.The district is divided into 24 sub-districts ("tambons"), which are further subdivided into 223 villages ("mubans").The town ("thesaban mueang") Lopburi covers "tambon" Tha Hin and parts of Thale Chup Son.