#port city
- Acapulco — A famous port city and world-renowned resort town located in the Mexican state of Guerrero, along the Pacific Ocean coast. Situated in a spectacular semicircular bay, it is historically celebrated for its vibrant nightlife, tropical beaches, and the legendary cliff diving shows at La Quebrada, while also holding great historical significance as a major Spanish colonial trading hub.
- 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.
- Agadir — A major port city and renowned tourist resort in southwestern Morocco, located on the coast of the Atlantic Ocean, at the foot of the Atlas Mountains. Etymologically, the name originates from the Berber language (Tamazight) and means 'fortified granary' or 'citadel', the locality being historically famous for its complete structural reconstruction after the devastating 1960 earthquake.
- Alexandretta — The historical and international name of the modern port city of İskenderun, located in the Hatay province of southeastern Turkey, on the Mediterranean Sea. Founded by Alexander the Great in 333 BC as Alexandria ad Issum, the city was a major commercial and strategic hub across centuries, also giving its name to the former Sanjak of Alexandretta during the French mandate over Syria.
- Ancona — A historically important city and seaport on the Adriatic Sea, located in the Marche region of central Italy, serving as its administrative center. Founded by Greek colonists in antiquity, its name derives from the elbow-like shape of the promontory on which it stands, representing a vital economic, tourist, and logistical hub for European maritime transport.
- Antivari — The historical name, of Italian origin and used in old Romanian documents, for the port city of Bar located on the Adriatic coast in Montenegro. The name reflects its symmetrical geographic positioning, situated directly across the sea opposite the Italian city of Bari, functioning throughout the centuries as a major commercial and strategic hub in the Balkan region.
- Antofagasta — A major port city and municipality in northern Chile, located on the Pacific Ocean coast and serving as the capital of the homonymous region. Structurally situated at the edge of the Atacama Desert, this urban center is a fundamental economic pillar of the country, historically and globally recognized for its massive export of minerals (especially copper and saltpeter) and for its precision industrial and port infrastructure.
- Antsiranana — A strategically highly important port city located at the northernmost tip of Madagascar, situated within a spectacular natural bay; historically known as Diego-Suarez, it represents the capital of the Diana region and a major commercial hub on the Indian Ocean.
- Antwerpen — A major port city in Belgium, the capital of the eponymous province in the Flanders region, situated on the Scheldt river; it is the second-largest port in Europe, a global economic hub, and the undisputed international capital of the diamond trade and cutting industry.
- Anvers — The French designation and traditional Romanian usage for the Flemish port city of Antwerpen in Belgium; it represents a commercial, industrial, and logistical hub of capital European importance and the historic global center of diamond trading.
- Anzio — A coastal city and historic port in Italy, located in the Lazio region (province of Rome); famous in ancient history as Antium (the birthplace of emperors Caligula and Nero) and renowned in modern history for the crucial Allied landing operation of 1944 during World War II.
- Arica — A port city and commune in northern Chile, capital of the homonymous province and the Arica and Parinacota Region, known as the 'City of Eternal Spring' due to its mild arid climate and famous for the mummies of the Chinchorro culture, the oldest artificial mummies in the world.
- Avellaneda — An important port city and the administrative seat of the partido of the same name in the Buenos Aires Province, Argentina, located within the capital's metropolitan area; the name is also an anthroponym of Spanish origin, historically borne by prominent figures such as the writer Gertrudis Gómez de Avellaneda or the Argentine President Nicolás Avellaneda. The city is a major industrial hub and a landmark in South American football, hosting the rival clubs Racing and Independiente.
- Aviles — An important industrial and port city located in the autonomous community of Asturias in northern Spain, situated on the banks of the homonymous estuary near the Atlantic Ocean; it is historically recognized for its remarkably well-preserved medieval old town, as well as for its major role in Spanish steel and metallurgy during the 20th century. In modern cultural terms, the city hosts the Oscar Niemeyer International Cultural Centre, a masterpiece of contemporary architecture.