Tha Sai, Nonthaburi
Tha Sai is one of the ten subdistricts of Mueang Nonthaburi District, in Nonthaburi Province, Thailand. The subdistrict is bounded by Bang Talat, Thung Song Hong, Bang Khen, Bang Kraso, and across the Chao Phraya River, Tha It subdistricts. The whole area of the subdistrict is covered by Nonthaburi City Municipality. In 2020 it had a total population of 69,827 people.