A gulf in geography is a large bay that is an arm of an ocean or sea. Not all geological features which could be considered a gulf have "Gulf" in the name, for example the Bay of Bengal or Arabian Sea.
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The term may refer to: Gulf of Aden, off the southwestern corner of the Arabian Peninsula Gulf of Alaska, in the Pacific Ocean, south of the state of Alaska Albay Gulf, in the southern part of Luzon, Philippines Ambracian Gulf, of the Ionian Sea in northwestern Greece Amundsen Gulf, in the Arctic Ocean, northwest of Canada Gulf of Aqaba, in the northern end of the Red Sea Argolic Gulf, of the Aegean Sea off the east coast of the Peloponnese, Greece Asid Gulf, in the municipality of Milagros, Masbate, Philippines Gulf of Bahrain, inlet of the Persian Gulf on the east coast of Saudi Arabia Gulf of Biscay, between France and Spain Gulf of Boothia, in Nunavut, Canada Gulf of Bothnia, part of the Baltic Sea between Sweden and Finland Gulf of Burgas, Black Sea, Bulgaria Gulf of Cádiz, part of the Atlantic Ocean off the southern border of Spain and Portugal Gulf of California, in the Pacific Ocean in northwestern Mexico Cambridge Gulf, on the north coast of Western Australia Gulf of Carpentaria, in Northern Australia Gulf of Cazones, in southern Cuba Gulf of Corinth, of the Ionian Sea separating the Peloponnese from western mainland Greece Gulf of Corryvreckan, off the west coast of mainland Scotland Davao Gulf, in Davao City, Mindanao, the Philippines Exmouth Gulf, gulf in North West Australia Gulf of the Farallones, between the Farallon Islands and the mainland coast of California, United States Gulf of Finland, between the southern coast of Finland and the northern coast of Estonia in the Baltic Sea Gulf of Fonseca, of the Pacific Ocean in El Salvador, Honduras, and Nicaragua Gulf of Gabès, gulf on Tunisia's east coast in the Mediterranean Sea, off North Africa Gulf of Genoa, inside the Ligurian Sea on the northwestern coast of Italy Gulf of Gonâve, in the Caribbean Sea off the coast of Haiti Gulf of Guinea, in the Atlantic Ocean off the coast of Equatorial Africa Gulf of Hammamet, in northeastern Tunisia