Sai Mai is one of the 50 districts (khet) of Bangkok, Thailand. It is bounded by : Lam Luk Ka district of Pathum Thani province; Khlong Sam Wa, Bang Khen and Don Mueang of Bangkok.

Khlong Sam Wa is one of the 50 districts (khet) of Bangkok, Thailand. It is bounded by other districts : Lam Luk Ka district of Pathum Thani province, Nong Chok, Min Buri, Khan Na Yao, Bang Khen, and Sai Mai of Bangkok. As of 2022, it had the highest population of all districts in Bangkok.