The Gulf of Oman or Sea of Oman ( ''khalīj ʿumān''; ''daryâ-ye omân''), also known as Gulf of Makran or Sea of Makran ( ''khalīj makrān''; ''daryâ-ye makrān''), is a

gulf A gulf is a large inlet from an ocean or their seas into a landmass, larger and typically (though not always) with a narrower opening than a bay (geography), bay. The term was used traditionally for large, highly indented navigable bodies of s ...

in the

Indian Ocean The Indian Ocean is the third-largest of the world's five oceanic divisions, covering or approximately 20% of the water area of Earth#Surface, Earth's surface. It is bounded by Asia to the north, Africa to the west and Australia (continent), ...

that connects the

Arabian Sea The Arabian Sea () is a region of sea in the northern Indian Ocean, bounded on the west by the Arabian Peninsula, Gulf of Aden and Guardafui Channel, on the northwest by Gulf of Oman and Iran, on the north by Pakistan, on the east by India, and ...

with the Strait of Hormuz, which then runs to the

Persian Gulf The Persian Gulf, sometimes called the Arabian Gulf, is a Mediterranean seas, mediterranean sea in West Asia. The body of water is an extension of the Arabian Sea and the larger Indian Ocean located between Iran and the Arabian Peninsula.Un ...

. It borders

Iran Iran, officially the Islamic Republic of Iran (IRI) and also known as Persia, is a country in West Asia. It borders Iraq to the west, Turkey, Azerbaijan, and Armenia to the northwest, the Caspian Sea to the north, Turkmenistan to the nort ...

and

Pakistan Pakistan, officially the Islamic Republic of Pakistan, is a country in South Asia. It is the List of countries and dependencies by population, fifth-most populous country, with a population of over 241.5 million, having the Islam by country# ...

on the north,

Oman Oman, officially the Sultanate of Oman, is a country located on the southeastern coast of the Arabian Peninsula in West Asia and the Middle East. It shares land borders with Saudi Arabia, the United Arab Emirates, and Yemen. Oman’s coastline ...

on the south, and the

United Arab Emirates The United Arab Emirates (UAE), or simply the Emirates, is a country in West Asia, in the Middle East, at the eastern end of the Arabian Peninsula. It is a Federal monarchy, federal elective monarchy made up of Emirates of the United Arab E ...

on the west.

Extent

The

International Hydrographic Organization The International Hydrographic Organization (IHO) (French: ''Organisation Hydrographique Internationale'') is an intergovernmental organization representing hydrography. the IHO comprised 102 member states. A principal aim of the IHO is to ...

defines the limits of the Gulf of Oman as follows:

Exclusive economic zone

Exclusive economic zones An exclusive economic zone (EEZ), as prescribed by the 1982 United Nations Convention on the Law of the Sea, is an area of the sea in which a sovereign state has exclusive rights regarding the exploration and use of marine resources, including e ...

in Gulf of Oman:

Bordering countries

Coastline length of bordering countries: # - 850 km coastline # - 750 km coastline # - 50 km coastline # - 50 km coastline

Alternative names

The Gulf of Oman historically and geographically has been referred to by different names by Arabian, Iranian, Indian, Pakistani, and European geographers and travelers, including Makran Sea and Akhzar Sea. # Makran Sea # Akhzar Sea # Persian Sea (consists of the whole of the Persian Gulf and Gulf of Oman) Until the 18th century, it was known as Makran Sea and is also visible on historical maps and museums.

Major ports

* Port of Fujairah,

Fujairah Fujairah City () is the capital of the emirate of Fujairah in the United Arab Emirates. It is the List of cities in the United Arab Emirates, seventh-largest city in UAE, located on the Gulf of Oman (part of the Indian Ocean). It is the only Em ...

, United Arab Emirates *Khor Fakkan Container Terminal, Khor Fakkan, United Arab Emirates * Port of Chabahar, Chabahar, Iran * Port Sultan Qaboos, Muttrah, Oman

International trade

The Western side of the gulf connects to the Strait of Hormuz, a strategic route through which a third of the world's

liquefied natural gas Liquefied natural gas (LNG) is natural gas (predominantly methane, CH4, with some mixture of ethane, C2H6) that has been cooled to liquid form for ease and safety of non-pressurized storage or transport. It takes up about 1/600th the volume o ...

and 20% of global oil consumption passes from

Middle East The Middle East (term originally coined in English language) is a geopolitical region encompassing the Arabian Peninsula, the Levant, Turkey, Egypt, Iran, and Iraq. The term came into widespread usage by the United Kingdom and western Eur ...

producers.

Ecology

In 2018, scientists confirmed the Gulf of Oman contains one of the world's largest marine dead zones, where the ocean contains little or no oxygen and marine wildlife cannot exist. The dead zone encompasses nearly the entire Gulf of Oman and equivalent to the size of Florida, United States of America. The cause is a combination of increased

ocean warming Ocean heat content (OHC) or ocean heat uptake (OHU) is the energy absorbed and stored by oceans, and is thus an important indicator of Climate change, global warming. Ocean heat content is calculated by measuring ocean temperature at many differe ...

and increased runoff of nitrogen and phosphorus from fertilizers.

International underwater rail tunnel

In 2018, a rail tunnel under the sea was suggested to link the UAE with the western coast of India. The bullet train tunnel would be supported by pontoons and be nearly in length."The UAE Wants an Underwater Bullet Train to India", ''Futurism.com'', 5 December 2018
Retrieved 2 November 2021

Pop culture

In the ''

Battlefield A battlefield, battleground, or field of battle is the location of a present or historic battle involving ground warfare. It is commonly understood to be limited to the point of contact between opposing forces, though battles may involve troop ...

'' video game series, the Gulf of Oman is a map used in '' Battlefield 2'', '' Battlefield 3'', '' Battlefield Play4Free'' and '' Battlefield 4'' with the United States Marines Corps (USMC) invading the shore of Oman with the fictional Middle Eastern Coalition (MEC) defending it in Battlefield 2, and with Russian Ground Forces defending it in Play4Free, Battlefield 3 and Battlefield 4.