Nakhon Sawan Province, also known as
Pak Nam Pho is where the rivers of Ping, Wang, Yom, and
Nan converge and form the Chao Phraya River, the most important
waterway of Thailand.
Nakhon Sawan is in the lower northern part of the country between
the North and the Central Region. It is regarded as the
doorway to the North and it is the hub of transportation
in the Lower North.