Possible Clues:

• Columbus stopping point of 1493
• Atlantic archipelago
• Type of map acquired with foreign currency's used for archipelago
• Chain on the Mid-Atlantic Ridge
• Island chain northwest of Morocco
• Island group whose capital is Ponta Delgada
• Santa Maria's chain
• As zero (anag)
• The --, since 1976 an autonomous region of Portugal
• Volcanic island group of Portugal