Details in this Area: Country: Thailand (Siam) Area: North-East (Isan) Province: Loei, Nong Bua Lamphu, Udon Thani, Phitsanulok, Phetchabun, Khon Kaen, Chaiyaphum Cities: Na Haeo, Phu Rua, Khut Chap, Dan Sai, Nong Bua Lamphu, Nong Wua So, Phu Luang, Phukradung, Nam Nao, Phu Phu Man, Si Chomphu, Khon San, Chum Phae, Phu Khieo, Phra Yun, Kaeng Khlo, Mancha Khiri, Chon Bot, Nong Phai, Khon Sawan, Waeng Yai, Nongbua Lamphu Islands: National Parks: Phu Rua NP, Nam Nao NP, Phu Kradung NP Temple: Wat Maha That, Wat Tham Khlong Pen Mountains: Phu Rua, Phu Ho, Phu Kradung, Phu Wiang Others: Tham Phra Tu