The original name of the district was Nakhon Noi. In 1917, it was renamed Tha Ruea to commemorate an important event within the district. When the hunter Bun found the Buddha's footprint in Sara Buri province, King Songtham travelled by royal barge along the Pa Sak River to worship.
The original name of the district was Nakhon Noi. In 1917, it was renamed Tha Ruea to commemorate a significant event within the district. When hunter Bun discovered Buddha's footprint in Sara Buri province, King Songtham traveled by royal barge along the Pa Sak River to pay homage.