Details in this Area: Country: Thailand (Siam) Area: North-East (Isan) Province: Loei, Nong Bua Lamphu Cities: Suwan Khua, Loei, Na Dung, Wap Saphung, Na Klang, Phu Luang Islands: National Parks: Temple: Wat Tham Khlong Pen Mountains: Phu Ho Others: Tham Erawan