Ratchaburi is one of the central provinces (changwat) of Thailand. Neighbouring provinces are (from north clockwise) Kanchanaburi, Nakhon Pathom, Samut Sakhon, Samut Songkhram and Phetchaburi. In the west it borders Tanintharyi Division of Myanmar.
Ratchaburi means, "The land of the king." The province is full of cultural heritage, beautiful landscapes and historical sites.
It is located 80 kilometres west of Bangkok and borders Burma to the west with the Tanaosi Range as a natural borderline. The Mae Klong River flows through the centre of Ratchaburi town