Ratchaburi, a glorious town during the Dvaravati period, is located on the bank of the Mae Klong River. The provincial area abounds in natural attractions and historical sites. It is located 80 kilometres west of Bangkok and borders on Myanmar to the west having the Tanaosi Range as a borderline.

Ratchaburi occupies an area of 5,196 square kilometres and is administratively divided into nine districts: Muang Ratchaburi, Photharam, Damnoen Saduak, Pak Tho, Chom Bueng, Bang Phae, Wat Phleng , Suan Phueng, and Ban Pong, and one sub-district: King Amphoe Ban Kha.