Original: The coasts of the peninsula are, on the west the Red Sea and the Gulf of Aqaba, on the southeast the Arabian Sea (part of the Indian Ocean), and on the northeast, the Gulf of Oman, the Strait of Hormuz, and the Persian Gulf.
Simplified: The coastal limits of Arabia comprise: on the southwest the Red Sea and Gulf of Aqaba; on the southeast the Arabian Sea; and on the northeast the Gulf of Oman and the Persian Gulf.