The Dharmacakra, Wheel of Dharma, is the most widespread symbol of the Dvaravati kingdom(s).
Initially referring to the first teaching of the Buddha, it came to symbolize as well the sovereignty of a Buddhist monarch, the Dharmaraja,
The worldly is under the rule of a king and the supra-worldly is under the rule of a Buddha.
In the 8th c. CE, the kingdom extended northward to the Kra Isthmus just north of present-day Chaiya.
An inscription (775 CE records the marriage between the royal house of Chaiya and the royal house of Sailendra in Java.
Both areas abound in Mahayana Buddhist sculpture. This upper torso of Avalokitesvara was found in Chaiya by Prince Damrong in 1905.