1. Short title This Act may be cited as the Chaco Cultural Heritage Area Protection Act of 2023 . 2. Findings Congress finds that— (1) there are archeological, sacred, and historic resources located throughout the Greater Chaco region, which spans the States of New Mexico, Arizona, Utah, and Colorado; (2) the Chaco Culture National Historical Park, a unit of the National Park System and a United Nations Educational, Scientific and Cultural Organization World Heritage Site, is known around the world— (A) for multi-story buildings constructed by the Chacoan people that are still standing; and (B) as the nerve center of a culture that spread throughout and dominated the Four Corners area during the 9th, 10th, and 11th centuries; (3) the Chacoan people built hundreds of miles of roads and a network of villages, shrines, and communications sites, many of which are still visible; (4) many Pueblos and Indian Tribes in the Four Corners area claim cultural affiliation with, and are descended from, the Chacoan people; (5) the landscape around the Chaco Culture National Historical Park includes hundreds of internationally and nationally significant cultural resources, including prehistoric roads, communities, and shrines— (A) many of which are related to the resources found in the Chaco Culture National Historical Park, including the resources recognized by the amendment made by section 3 of the Chacoan Outliers Protection Act of 1995 ( 16 U.S.C. 410ii note; Public Law 104–11 ) providing for additional Chaco Culture Archeological Protection Sites; (B) a significant number of which are concentrated within the immediate area surrounding the Chaco Culture National Historical Park; and (C) that are commonly recognized by archeologists; (6) long considered one of the best places for stargazing in the world, Chaco Culture National Historical Park— (A) in 1991, established a night skies protection initiative and interpretive program to protect the night sky in the area of the Chaco Culture National Historical Park