Save Type Political Subdivision & Settlement Usage Thai Scripts อุบลราชธานี(Thai) Pronounced Pron. oo-bon-rat-cha-ta-NEE [key·IPA] Meaning & History From Thai อุบล (ubon) meaning "lotus" and ราชธานี (ratchathani) meaning "royal city, capital city". This is the name of a province of, as well as a district and city in, Thailand.