Thai Airways International Public Company Limited, trading as THAI is the flag carrier airline of Thailand. Formed in 1961, the airline has its corporate headquarters in Vibhavadi Rangsit Road, Chatuchak district, Bangkok, and primarily operates from Suvarnabhumi Airport. THAI is a founding member of the Star Alliance. The airline is the second-largest shareholder of the low-cost carrier Nok Air with a 15.94 per cent stake (2020), and it launched a regional carrier under the name Thai Smile in the middle of 2012 using new Airbus A320 aircraft. In 2023, it was announced that Thai Smile would be merged back into Thai Airways.

Chatuchak is one of the 50 districts (khet) of Bangkok, Thailand. The district is bounded by seven other districts : Lak Si, Bang Khen, Lat Phrao, Huai Khwang, Din Daeng, Phaya Thai, and Bang Sue.