There are (at least) two sets of ABC Islands: Caribbean In the Leeward Antilles, the southerly islands of the Lesser Antilles: __A__ruba - an autonomous dependency of the Kingdom of the Netherlands __B__onaire - a "special municipality" of the Netherlands __C__uraçao - an autonomous dependency of the Kingdom of the Netherlands United States of America In the Alexander Archipelago, in Southeastern Alaska: __A__dmiralty Island __B__aranof (also Baranov or Sitka) Island - largest city: Sitka __C__hichagof Island