The Andaman Sea is a marginal sea of the eastern Indian Ocean separated from the Bay of Bengal (to its west) by the Andaman and Nicobar Islands and touching Myanmar (Burma), Thailand, and the Malay Peninsula. Its southernmost end is defined by Breueh Island, an island just north of Sumatra.
The Arabian Sea, also known as Sea of Oman, is a region of the northern Indian Ocean bounded on the north by Pakistan and Iran, on the west by northeastern Somalia and the Arabian Peninsula, and on the east by India. Historically the sea has been known by other names including the Erythraean Sea and the Persian Sea. Its total area is 3,862,000 km2 (1,491,000 sq mi) and its maximum depth is 4,652 metres (15,262 ft). The Gulf of Aden is in the southwest, connecting the Arabian Sea to the Red Sea through the strait of Bab-el-Mandeb, and the Gulf of Oman is in the northwest, connecting it to the Persian Gulf.
The Bay of Bengal, is the northeastern part of the Indian Ocean, bounded on the west and north by India and Bangladesh, and on the east by Myanmar and the Andaman and Nicobar Islands (India). Its southern limit is a line between Sri Lanka and the northwesternmost point of Sumatra (Indonesia). It is the largest water region called a bay in the world. There are Countries dependent on the Bay of Bengal in South Asia and Southeast Asia.
The Gulf of Aden, also known as the Gulf of Berbera, is a gulf located in the Arabian Sea between Yemen, on the south coast of the Arabian Peninsula, and Djibouti, and Somalia in the Horn of Africa. In the northwest, it connects with the Red Sea through the Bab-el-Mandeb strait, which is more than 20 miles (32 kilometres) wide. It shares its name with the port city of Aden in Yemen, which forms the northern shore of the gulf. Historically, the Gulf of Aden was known as "The Gulf of Berbera", named after the ancient Somali port city of Berbera on the south side of the gulf. However, as the city of Aden grew during the colonial era, the name of "Gulf of Aden" was popularized.
The Gulf of Oman or Sea of Oman is a strait (and not an actual gulf) that connects the Arabian Sea with the Strait of Hormuz, which then runs to the Persian Gulf. It borders Iran and Pakistan on the north, Oman on the south, and the United Arab Emirates on the west.
The Laccadive Sea or Lakshadweep Sea is a body of water bordering India (including its Lakshadweep islands), the Maldives, and Sri Lanka. It is located to the southwest of Karnataka, to the west of Kerala and to the south of Tamil Nadu. This warm sea has a stable water temperature through the year and is rich in marine life.
The Mozambique Channel (French: Canal du Mozambique, Malagasy: Lakandranon'i Mozambika, Portuguese: Canal de Moçambique) is an arm of the Indian Ocean located between the Southeast African countries of Madagascar and Mozambique. The channel is about 1,600 km (1,000 mi) long and 419 km (260 mi) across at its narrowest point, and reaches a depth of 3,292 m (10,800 ft) about 230 km (143 mi) off the coast of Mozambique.
The Persian Gulf is a mediterranean sea in Western Asia. The body of water is an extension of the Indian Ocean (Gulf of Oman) through the Strait of Hormuz and lies between Iran to the northeast and the Arabian Peninsula to the southwest. The Shatt al-Arab river delta forms the northwest shoreline.
The Red Sea (also the Erythraean Sea) is a seawater inlet of the Indian Ocean, lying between Africa and Asia. The connection to the ocean is in the south through the Bab el Mandeb strait and the Gulf of Aden. To the north lie the Sinai Peninsula, the Gulf of Aqaba, and the Gulf of Suez (leading to the Suez Canal). The Red Sea is a Global 200 ecoregion. The sea is underlain by the Red Sea Rift which is part of the Great Rift Valley.
The Timor Sea (Indonesian: Laut Timor; Portuguese: Mar de Timor; Tetum: Tasi Mane or Tasi Timór) is a relatively shallow sea bounded to the north by the island of Timor, to the east by the Arafura Sea, to the west of Australia.
The Bab-el-Mandeb (Arabic: باب المندب, lit. "Gate of Tears") is a strait located between Yemen on the Arabian Peninsula, and Djibouti and Eritrea in the Horn of Africa. It connects the Red Sea to the Gulf of Aden.
The Strait of Hormuz is a strait between the Persian Gulf and the Gulf of Oman. It provides the only sea passage from the Persian Gulf to the open ocean and is one of the world's most strategically important choke points. On the north coast lies Iran, and on the south coast the United Arab Emirates and Musandam, an exclave of Oman. At its narrowest, the strait has a width of 29 nautical miles (54 km).