Chaiya National Museum located within the compound of Wat Phra Borommathat Chaiya Ratchaworawihan temple, categorized as a historical, arts and archeology museum. Objective of the museum during early establishment, is to collect artifacts founded in the Chiya district archeological site, by Master Phra Khru Sophon Jetikaram (IAM), former primate Chaiya. The museum consist of two buildings;

The first building divided its exhibition into 2 sections, which are

Section 1 puts on exhibition stone and bronze sculptures discovered in the ancient city of Chaiya, for example, sculptures of the God Vishnu and Bohdisattva Avalokitesvara.

Section 2 is the rotational exhibition for important occasions, such as Thai Heritage Conservation Day, Thai museum day.

The second building divided its exhibition into 2 sections, which are

Section 1 is a chorological exhibitions, which display artifacts from pre-historic, down to historic periods, from Dvaravati, to Rattanakosin era. 

Section 2 is Art objects and several other crafts related to Buddhism and Brahmanism are also displayed here. Including bowl, tableware, ornament, appliance that discovered from Wat Kaeo, Wat Long, and Laem Pho (archaeological sites)

Section 3 display ancient arts of Bhuddha image, Silver and gold that people give to bhudha image, and also a Grand shadow puppet play.

Section 4 exhibits folk art objects and local fine arts, such as wood carving,. Woven fabric of the Phum Riang community

Section 5 displays the eight necessities of a Buddhist monk, consists of  Cho Por Lor 's porcelain set, pearl set, Thom pad set, brass set, which belonged to Phra Chayapiwat Suphat Sangpamok, who renovated Wat Phra Borommathat Chaiya temple and Ven Somdej Phra Buddhacarya (Som Shanno) the abbot of Wat Suthat Thepwararam temple who is Phumriang people.