Ang Thong is a small province on the bank of the Chao Phraya River . The former settlement is at Wiset Chai Chan on the bank of the Noi River . It was an essential frontier outpost of Ayutthaya when fighting with the Burmese. The majority of the people were later moved to a new site on the left bank of the Chao Phraya River during the Thon Buri period.
Ang Thong is located 108 kilometers north of Bangkok . It occupies an area of 968 square kilometers and is administratively divided into seven districts (Amphoes): Mueang Ang Thong, Chaiyo , Pa Mok, Pho Thong, Sawaeng Ha, Wiset Chai Chan and Samko.
Reference : Tourism Authority of Thailand