Terminal 21 (Thai: เทอร์มินอล 21) is a chain of mixed-use complexes with 4 locations in Thailand; Asok and Rama III in Bangkok, Korat, and Pattaya. The first location was opened in October 2011, located on Sukhumvit Road, by the Asoke intersection, in Watthana District of Bangkok, Thailand. The second location, Terminal 21 Korat, was opened in December 2016 and is located on Mittraphap Road in Nakhon Ratchasima Province (also called Korat). was opened in October 2018 and is located in Pattaya District of Chonburi Province. There is a proposal for Terminal 21 Rama III to be built by the Chao Phraya river in the Rama III neighbourhood of Yannawa District in Bangkok. On October 20th, 2022, Terminal 21 Rama III officially opened.