Details in this Area: Country: Thailand (Siam) Area: North, North-East (Isan), Central Province: Phitsanulok, Phetchabun, Khon Kaen, Chaiyaphum, Lop Buri, Nakhon Ratchasima Cities: Khao Ko, Chum Phae, Phu Khieo, Wang Pong, Chon Daen, Kaset Sombun, Nong Bua Daeng, Ban Khwao, Nong Bua Rahaeo, Bamet Narong, Chaturat, Khok Charoen, Kham Sakae Saeng, Khong, Sa Boat, Chai Badan, Non Thai, Non Sung, Khok Samrong, Tha Luang Islands: National Parks: Temple: Wat Sala Loi Mountains: Khao Ko, Phu Wiang Others: Khaoko Palace, Tham Phra Tu, Prasat Phanom Wan