Neighboring districts are (from the west clockwise) Si Maha Phot, Prachantakham, Na Di of Prachinburi Province, Mueang Sa Kaeo and Khao Chakan of Sa Kaeo Province and Sanam Chai Khet of Chachoengsao Province.
The important water resources are the Hanuman, Phra Prong, and Prachin Buri Rivers.