Details in this Area: Country: Thailand (Siam) Area: North, North-East (Isan) Province: Uttaradit, Loei, Phitsanulok, Phetchabun, Phichit, Chaiyaphum, Nakhon Sawan Cities: Tron, Saen Khan, Phu Rua, Loei, Phichai, Si Nakhon, Wap Saphung, Lom Kao, Lom Sak, Noen Maprang, Khao Ko, Wang Sai Phun, Phetchabun, Pho Phatap Chang, Pho Thale, Bang Mun Nak, Chumsaeng Islands: National Parks: Thung Sa Laeng Luang NP, Phu Hin Rong Kla NP, Phu Rua NP, Phu Luang NP Temple: Mountains: Khao Ko, Phu Rua, Phu Luang Others: Khaoko Palace, Phra Cave, Tham Phra Tu