Castillo Morro

The Castillo de los Tres Teyes Magos del Morro, or simply Castillo Moro was a Spanish military fort on Havana harbour, in western Cuba.

An imposingly solid structure, the Castillo Moro was built in 1589 to protect the city against pirates and foreign invaders. It's mere presence was enough to deter raids on the city until the British invasion of 1762, during the.

Reference

 * Assassin's Creed IV: Black Flag