Arabian Sea or second millennium BCE. Major seaports include Kandla Port, Okha Port, Mumbai Port, Nhava Sheva Port (Navi Mumbai), Mormugão Port (Goa), New Mangalore Port and Kochi Port in India, the Port of Karachi, Port Qasim, and the Gwadar Port in Pakistan, Chabahar Port in Iran and the Port of Salalah in Oman. The largest islands in the Arabian Sea include Socotra (Yemen), Masirah Island (Oman), Lakshadweep (India) and Astola Island (Pakistan). The Arabian Sea's surface area is about . The maximum width of the Sea is approximately , and its maximum depth is . The biggest river flowing into the
Pakistan ranking varies depending on how the disputed territory of Kashmir is counted. Pakistan has a coastline along the Arabian Sea and the Gulf of Oman in the south and land borders of in total: with Afghanistan, with China, with India and with Iran. It shares a marine border with Oman, and is separated from Tajikistan by the cold, narrow Wakhan Corridor. Pakistan occupies a geopolitically important location at the crossroads of South Asia, the Middle East, and Central Asia. Geologically, Pakistan is located in the Indus–Tsangpo Suture Zone and overlaps the Indian tectonic plate in its Sindh and Punjab provinces;