Details in this Area: Country: Thailand (Siam) Area: Central, North-East (Isan) Province: Lop Buri, Nakhon Ratchasima, Sara Buri, Nakhon Nayok, Prachin Buri Cities: Kham Thale So, Sikhio, Sung Noen, Muak Lek, Pak Chong Islands: National Parks: Khao Yai NP Temple: Wat Thamma Chak Mountains: Khao So Others: Heo Narok Waterfall Park, Heo Suwat Waterfall Park