Photharam is a district (amphoe) in the northern part of Ratchaburi Province, western Thailand. Neighbouring districts are (from the east clockwise) Bang Phae, Damnoen Saduak, Mueang Ratchaburi, Chom Bueng of Ratchaburi Province, Tha Muang of Kanchanaburi Province, Ban Pong of Ratchaburi Province and Mueang Nakhon Pathom of Nakhon Pathom Province. The important water resource is the Mae Klong River.
Photharam was a district (khwaeng) of Mueang Ratchaburi in the 19th century. In 1836 the district office was relocated from the mouth of Bang Tanod canal to the east bank of the Mae Klong River opposite Wat Chaloem Art. On 10 March 1952 it was moved to its present location in the municipality of Photharam.
The district is divided into 19 sub-districts (tambon), which are further subdivided into 156 villages (muban). There are six municipal (thesaban) areas. The town (thesaban mueang) Photharam covers tambon Photaram, the townships (thesaban tambon) Ban Lueak, Ban Sing, and Chet Samian each covering the same-named tambon completely. The township Khao Khuang covers tambon Nang Kaeo and parts of Chamrae, Tao Pun, and Khao Cha-ngum. Township Nong Pho covers parts of the tambon Nong Pho. There are a further 14 tambon administrative organizations (TAO).

Source: Wikipedia