Ubon Ratchathani

Ubon Ratchathani (Thai: อุบลราชธานี, pronounced [ʔubon râːt.tɕʰa.tʰaːniː]) is one of the four main cities in Thailand's Isan region, alongside Nakhon Ratchasima (Khorat), Udon Thani, and Khon Kaen, collectively known as the "big four of Isan." Located on the Mun River in the southeastern Isan, Ubon Ratchathani sits about 615 km (382 mi) from Bangkok. Commonly shortened to Ubon (อุบลฯ), the city’s name means "royal lotus city". It serves as the administrative center of Ubon Ratchathani Province.

As of 2006, the urban area of Ubon Ratchathani had a population of about 200,000. This included 85,000 in Thetsaban Nakhon Ubon Ratchathani (Ubon municipality), 30,000 each in Thetsaban Mueang Warin Chamrap (Warin municipality) and Thetsaban Tambon Kham Yai, 24,000 in Thetsaban Tambon Saen Suk, and 10,000 each in Thetsaban Tambon Pathum and Tambon Kham Nam Saep, as well as 6,000 in Thetsaban Tambon Ubon.