Four Corners
Six governments have jurisdictional boundaries at the Four Corners Monument: the states of Arizona, Colorado, New Mexico, and Utah, as well as the tribal governments of the Navajo Nation and Ute Mountain Ute Tribe. The Four Corners Monument itself is administered by the Navajo Nation Department of Parks and Recreation. Other tribal nations within the Four Corners region include the Hopi and other Ute. The Four Corners is home to the capital of the Navajo tribal government at Window Rock, Arizona. The Ute Mountain Ute Tribal headquarters are located at Towaoc, Colorado.
Commonwealth
Four states of the United States officially designate themselves as "commonwealths". All four were part of Great Britain's possessions along the Atlantic coast of North America prior to the formation of the United States of America in 1776. As such, they share a strong influence of English common law in some of their laws and institutions. The four are: