Red Sea is a direct translation of the Greek Erythra Thalassa (Ερυθρὰ Θάλασσα). The sea itself was once referred to as the Erythraean Sea by Europeans. As well as Mare Rubrum in Latin (alternatively Sinus Arabicus, literally "Arabian Gulf"), the Romans called it Pontus Herculis (Sea of Hercules).

Red Sea is a direct translation of the Greek Erythra Thalassa (Ερυθρὰ Θάλασσα). The sea itself was once referred to as the Erythraean Sea by Europeans. As well as Mare Rubrum in Latin (alternatively Sinus Arabicus, literally "Arabian Gulf"), the Romans called it Pontus Herculis (Sea of Hercules).