Kamphaeng Phet Historical Park is a UNESCO World Heritage Site located in Kamphaeng Phet province, in central Thailand. The park is known for its well-preserved ruins and artifacts from the Sukhothai period of the 13th-14th century.

The park covers an area of 170 hectares and includes several archaeological sites, including the Kamphaeng Phet City Wall, the Kamphaeng Phet Museum, Wat Phra Kaeo, Wat Phra That, Wat Phra Non, and Wat Chang Rop. The Kamphaeng Phet City Wall is a major attraction of the park, and is one of the largest and most well-preserved city walls in Thailand. The wall is 2 kilometers long and has several gates, towers, and moats.

The Kamphaeng Phet Museum is another major attraction of the park, and houses a collection of artifacts and exhibits related to the Sukhothai period. The museum features displays on the history, culture, and architecture of the region, as well as a collection of religious artifacts, sculptures, and pottery.

Wat Phra Kaeo, Wat Phra That, Wat Phra Non, and Wat Chang Rop are important religious sites located within the park. These sites feature several well-preserved Buddha statues, ancient temples, and pagodas, which are some of the finest examples of Sukhothai period architecture.