The ABC islands are Aruba, Bonaire and Curaçao, the western islands of the Leeward Antilles; the last two are in the Netherlands Antilles, all are part of the Kingdom of the Netherlands.

The ABC Islands is the colloquial name for the Alaskan islands of Admiralty, Baranof, and Chichagof in the Alexander Archipelago. The islands are known their wilderness and the wildlife, which includes a species of so-called brown bear that is more closely related to polar bearshttp://www.gi.alaska.edu/ScienceForum/ASF13/1314.html.