Wat Tha Phra is a subdistrict located in the Bangkok Yai District on the Thonburi side of Bangkok, Thailand. It constitutes one of the two khwaeng (subdistricts) that make up the district.
The area serves as a residential and administrative division within the city's traditional geography. While it is part of the larger metropolitan framework of Bangkok, it maintains its specific identity as a subdistrict within the Thonburi side of the capital.