Sing Buri, an ancient city dating back centuries, has a rich history of cultural development and strategic importance. First known as Singharat, it was a fortified settlement along the Chaksi River, with notable structures like Wat Phra Non Chak Si housing Thailand’s largest reclining Buddha. Prehistoric evidence, such as tools and pottery, has been uncovered in areas like Ban Chi Nam Rai, indicating early human settlements.

During the Dvaravati era, settlements adopted defensive moats and walls. In the Ayutthaya period, Sing Buri and neighboring towns In Buri and Phrom Buri served as critical northern defensive outposts. The town gained legendary status for the valor of Ban Bang Rachan villagers who, in 1765, repelled Burmese forces seven times before succumbing—a symbol of Thai bravery and resilience.

In later centuries, Sing Buri was restructured under King Rama V as part of provincial reforms and has since retained its identity as a land of historical significance. Known as the "Land of the Three Rivers," it also boasts a culinary heritage, particularly the "Mother Chef of the Forest" tradition. Sing Buri's legacy includes its deep connection to Buddhism, with ancient temples and revered monks forming the spiritual heart of the community, while its diverse cultural influences, from Laotian to indigenous Thai, persist in local traditions.