Andorra, officially the Principality of Andorra, is a sovereign landlocked microstate on the Iberian Peninsula, in the eastern Pyrenees, bordered by France to the north and Spain to the south. Andorra is the sixth-smallest nation in Europe, having an area of 468 square kilometres (181 sq mi) and a population of approximately 77,006. Andorra is the 16th-smallest country in the world by land and the 11th-smallest by population.

Rhode Island, officially the State of Rhode Island is a state in the New England region of the United States. It is the smallest U.S. state by area and the seventh least populous (1,059,361 as of 2019), but it is also the second most densely populated behind New Jersey. The state has land borders with Connecticut to the west, Massachusetts to the north and east, and the Atlantic Ocean to the south via Rhode Island Sound and Block Island Sound. It also shares a small maritime border with New York.