UBON RATCHATHANI
Ubon Ratchathani is a large province in the Northeast of Thailand, dating back to more than 200 years old. Ubon Ratchathani has many interesting and beautiful places to visit such as Pha Taem National Park, which is famous for its prehistoric rock paintings, Sam Pan Boak or the Grand Canyon of Thailand, Huai Sai Yai Waterfall, one of the most beautiful waterfalls of Northeastern Thailand, Kaeng Saphuee Public Park, Wat Tham Khuha Sawan, and Wat Phrathat Nong Bua.

https://www.tourismthailand.org/About-Thailand/Destination/Ubon-Ratchathani