Thawi Watthana is one of the 50 districts, known as khet, located in Bangkok, Thailand. It serves as a suburban administrative area within the capital's metropolitan framework.
The district shares borders with several neighboring areas. Moving clockwise from the north, it is bordered by Bang Kruai district in Nonthaburi province, followed by the Taling Chan, Bang Khae, and Nong Khaem districts of Bangkok. To the south, it borders the Sam Phran and Phutthamonthon districts of Nakhon Pathom province.