Christopher Columbus sailed under the flag of Spain , for the Catholic Monarchs King Ferdinand II of Aragon and Queen Isabella I of Castile.

Quick Scoop: Who Did Columbus Sail For?

When people ask “what country did Christopher Columbus sail for,” they’re usually thinking of his famous 1492 voyage across the Atlantic.

  • Columbus was born in Genoa (in present-day Italy), so he was Genoese by birth.
  • But his transatlantic expeditions were financed and authorized by the Spanish Crown.
  • He sailed in the service of the united Spanish kingdoms of Castile and Aragon, ruled by Isabella and Ferdinand.

So in modern terms, the country he sailed for is Spain.