Prachinburi Province is located in the eastern region of Thailand. Located between latitude 13 degrees 39 minutes to latitude 14 degrees 27 minutes north and longitude 101 degrees 90 minutes to longitude 102 degrees 07 minutes east, 136 kilometers from Bangkok along Highway 33, 305. Travel time is only 1.30 hours. It is a connecting point. Transportation from Bangkok, Central, Eastern, and Northeastern regions Cambodia within a radius of over 100 kilometers

Prachinburi Province has a total area of 4,762.362 square kilometers or 2,976,476 rai.

- North, next to Nakhon Ratchasima Province
- East, next to Sa Kaeo Province
- West, next to Nakhon Nayok Province.
- South borders with Chachoengsao Province.

Prachinburi is influenced by the northeastern monsoon and the southwest monsoon coupled with the southern influence that covers the eastern region Including the low pressure area due to the heat covering this type, causing the Prachinburi Province area to have a high temperature of about 39 - 41 degrees Celsius in the summer and relatively cold weather in the winter.