Huai Hia (Thai: ห้วยเฮี้ย) is a subdistrict in the Nakhon Thai District of Phitsanulok Province, Thailand.

Huai Hia is on a plateau in the Nan Basin, which is part of the Chao Phraya Watershed.

The subdistrict's mubans, (villages):[1] The economy of Huai Hia is based on agriculture.

[2][failed verification] Huai Hia's main attraction is its waterfalls:[2]

This Phitsanulok province location article is a stub.