According to a Greek legend, Byzas was a Greek colonist (reported by some to be a leader or even a king) from the Doric colony of Megara in Ancient Greece, son of King Nisou, who consulted the oracle of Apollo at Delphi. The oracle instructed Byzas to settle opposite from the "Land of the Blind". Leading a group of Megarian colonists, Byzas found a superb location opposite Chalcedon, at the tip of the Istanbul peninsula, … Wikipedia