Prince Edward Island is a Canadian province consisting of the main island itself, as well as other islands. It is one of the three Maritime provinces and is the smallest province in both land area and population. Wikipedia

Hawaii is the most recent of the 50 U.S. states and joined the Union on August 21, 1959. It is the only U.S. state located in Oceania and the only one made up entirely of islands. It is the northernmost island group in Polynesia, occupying most of an archipelago in the central Pacific Ocean. Wikipedia