Nakhon Sawan has existed since before the Sukhothai era. The name of this city appears in Sukhothai’s stone inscription and it was called Phra Bang city which was an important frontier city for the wars. It later changed to Chon Tawan city and finally to Nakhon Sawan, but normally it was called Pak Nam Pho city. There is some archaeological evidence that indicated that Nakhon Sawan had been an agricultural city since the beginning of the historical era, and later acted as a centre of transportation and a location for Chinese traders.
Nakhon Sawan is located between the Central and Northern regions. The province, therefore, serves as a ‘gateway to the Northern region,’ as well as an important transportation centre for the lower Northern region. It is also a place where four main rivers; namely Ping, Wang, Yom, and Nan, converge. The four rivers come together to form Thailand’s great river, the Chao Phraya River. Thailand’s largest freshwater lake or Bueng Boraphet is also located here, a vast lake and swamp abundant with species of plants and birds, providing a habitat for a hundred