#gulf

• Abyss / Chasm — A deep chasm, gulf, or large marine depression whose depth seems immeasurable. Figuratively, the term denotes a psychological void, a profound state of crisis, a complete misunderstanding, or a vast and unbridgeable gap between two ideas, concepts, or social statuses.
• Aden — An important port city and strategic economic center located in Yemen, situated on the coast of the Gulf of Aden, at the southern entrance to the Red Sea. Due to its crucial geographical position along global maritime routes, it has historically been a key point for refueling, trade, and international military control, functioning also as a former British colony and capital of the People's Democratic Republic of Yemen.
• Aiyina — A rare phonetic transcription variant or alternative spelling used in certain languages for the Greek island of Aegina (Eghina), located in the Saronic Gulf; a historical site of exceptional importance, renowned in antiquity for its maritime power, the minting of Europe's first silver coins, and the Temple of Athena Aphaia. In other isolated cases, the term represents an exotic feminine given name or a structural typographical error.
• Ajman — The smallest of the seven emirates making up the United Arab Emirates, located on the coast of the Persian Gulf; also, the name of the capital city of this emirate, which accommodates the majority of the regional population and economic activities. The emirate is historically recognized for its traditional dhow shipbuilding, fishing, and pearl diving, developing in the modern era into a rapidly expanding industrial and residential hub.
• Aqaba — The only port city of Jordan, located in the south of the country at the northern tip of the eponymous gulf on the Red Sea; it represents a major administrative, industrial, and tourist center, a special economic zone structurally renowned for its beaches, deep-sea coral reefs, and vital logistical importance.
• at-Tannurah — A peninsula and coastal locality situated in the Eastern Province of Saudi Arabia, near the major industrial hub of Ras Tanura. This site is internationally recognized for its massive energy infrastructure, hosting some of the world's largest marine oil terminals and petroleum refineries, operated by the national company Saudi Aramco.
• Bab el-Mandeb — A strategic maritime strait of global importance separating the eastern Horn of Africa (Djibouti and Eritrea) from the Arabian Peninsula (Yemen), forming the essential hydrographic link between the Red Sea and the Gulf of Aden in the Indian Ocean. Etymologically known as the 'Gate of Tears' due to historical navigation hazards and local legends, this narrow waterway is a critical global chokepoint for international trade and maritime energy transport, directly linking Asian markets to the Suez Canal corridor and Europe.