Arabian Sea

Arabian Sea, portion of the Indian Ocean between the Arabian Peninsula on the west and the subcontinent of India on the east. Bounded on the north by Iran and Pakistan, it merges with the main body of the Indian Ocean in the south. Among the principal arms of the Arabian Sea are the Gulf of Aden, which links it with the Red Sea, and the Gulf of Oman, which links it with the Persian Gulf. The maximum width of the sea is about 2,400 km (1,500 mi); the maximum known depth is 5,030 m (16,500 ft). The cities of Karachi, Pakistan, and Mumbai, India, are the chief ports.