For some alternatives, look at the Rapeepan Ville and the V Hotel Ubon Ratchathani. They are 20 kilometres and 20 kilometres respectively from the center. If those two don't suit you, try the Huaymuang Apartment or the Hop Inn Ubon Ratchathani.
If you'd like to experience some close by localities, check out Rai Noi and Kham Yai. Journey 17 kilometres to the southwest of Nong Bok and you'll discover Rai Noi. That said, Kham Yai is 18 kilometres to the southwest. Rai Noi hotels include the Wangnong Resort and Better Place Hotel. The Nevada Convention Hotel and De Proud Hotel are some of the choices in Kham Yai.
Hotels in Nong Bok start at AU$30 per night. Prices and availability subject to change. Additional terms may apply.