Samut Sakhon Province
The district is elongated in an east-west direction and neighbouring districts are (from the north clockwise) Mueang Nakhon Pathom, Nakhon Chai Si, and Phutthamonthon of Nakhon Pathom Province, Thawi Watthana District and Nong Khaem of Bangkok, Krathum Baen and Ban Phaeo of Samut Sakhon Province, and Bang Phae of Ratchaburi Province.