Details in this Area: Country: Thailand (Siam) Area: North, North-East (Isan) Province: Uttaradit, Loei, Nong Bua Lamphu, Phitsanulok, Phetchabun, Khon Kaen, Chaiyaphum, Phichit Cities: Na Haeo, Na Dung, Na Klang, Nakhon Thai, Phu Luang, Lom Kao, Phukradung, Lom Sak, Nam Nao, Phu Phu Man, Khon San, Phetchabun, Wang Pong, Chon Daen, Kaset Sombun, Kaeng Khlo, Nong Phai, Khon Sawan Islands: National Parks: Chat Trakan NP, Nam Nao NP, Phu Kradung NP Temple: Wat Tham Khlong Pen Mountains: Phu Khat, Phu Ho, Phu Kradung Others: Phra Cave, Tat Ton Waterfall Park, Tham Erawan