It covers tambons Tha Pradu and Pak Nam and parts of tambons Choeng Noen and Noen Phra, all within Mueang Rayong district.

[1] Rayong was named an Asia-Pacific City of the Future by the Financial Times in 2017.

[3][4] During the late Ayutthaya period, when the former capital of Thailand was being destroyed by the invading Burmese, general Phaya Tak marched his troops to Rayong in order to build up his navy before proceeding on to Chanthaburi.

[5] Yomjinda Road bisects one of Rayong's oldest settlements.

The road follows the Rayong River which, in the reign of King Rama VI, was the chief means of transport.