Phetchaburi, whose short name is Muangphetch, is an ancient city having a very long history. The archaeological evidence suggests that the community existed since the Dvaravati Period. The evidence clearly shows that during Sukhothai and Ayutthaya Periods, Phetchaburi was and important city in the West, a fortified frontier of the Ayutthaya Kingdom against the Burmese. A lineage of Kings ruled this historical city. The history of Phetchaburi has been found in the remains and antiques, not to mention the valuable works of art handed down from its ancestors to the present generation.

In the Rattanakosin Period, Phetchaburi has changed its role from a strategic city to a town full of natural beauty, a seside resort and a place to take a pleasant journey to. The three Kings of the Rattanakosin Period, King Rama the Fourth, Fifth, and Sixth found their retreats here. They built the three palaces : Phranakhonkhiri, Phraramrajanivet, Phrarajnivesmarugadayawan in Phetchaburi.

Phetchaburi has been nicknamed by some scholars as the " Living Ayutthaya " because the town has many things similar to the Ayutthaya City which was almost completely destroyed after the Thai-Burmese War over two hundred years ago. The prosperity of the Ayutthaya Kingdom, and can be seen and appreciated by anyone who is interested.

Phetchaburi occupies an area of 6,225 square kilometres, characterised by thick jungles and mountain ranges lying in the west as a border between Thailand and Myanmar, and 80 km. long coastline towards the Gulf of Thailand in the east. Phetchaburi is divided into 8 districts (Amphoes): Muang Phetchaburi, Ban Laem, Ban Lat, Cha-am, Kaeng Krachan, Khao Yoi, Nong Ya Plong and Tha Yang.

Distance from Amphoe Mueang to Other Districts :
Tha Yang 18 kilometres
Cha-am 40 kilometres
Ban Laem 12 kilometres
Ban Lat 8 kilometres
Khao Yoi 23 kilometres
Nong Ya Plong 34 kilometres
Kaeng Krachan 57 kilometres
Hua Hin 66 kilometres
Ratchaburi 54 kilometres