Historic site. For purposes of this part, the term historic site includes any prehistoric or historic district, site, building, structure, or object included in, or eligible for inclusion in, the National Register. The term includes properties of traditional religious and cultural importance to an Indian tribe or Native Hawaiian organization that are included in, or are eligible for inclusion in, the National Register.
23 CFR § 774.17
The definitions contained in 23 U.S.C. 101 are applicable to this part. In addition, the following definitions apply: