Details in this Area: Country: Laos PDR, Thailand (Siam) Area: North-East (Isan) Province: Boli Kham Xai, Wiang Chan, Nong Khai, Nakhon Phanom, Sakon Nakhon, Udon Thani Cities: Sophisai, Siwilai, Phon Charoen, Saka, Ban Khlong Long, Ban Phaeng, Ban Muang, Tham Ta Kla, Charoen Sin, Wanon Niwat, Akat Amnuai, Thun Fon, Phon Sawan, Nong Han, Chai Wan, Kusuman, Pla Pak Islands: National Parks: Temple: Phra That Prasit Mountains: Others: Ban Chiang Archeological Site