The Khmers In Lower North Thailand
- The Khmer Empire was that of the Hindu believing Khmers of Cambodia who ethnically were Austroasians (as were the Mon). The Khmers accepted Buddhism but additionally subjugated their subjects to subscribe to Hindu concepts of the divine right of Kings who regarded themselves as Gods.
- Muang Si Thep in Phetchabun Province
- around Wat Phra Phai Luang in Sukhothai Province, and
- Si Satchanalai