What are seaport cities in Spain?

* Algeciras is a port city in the Strait of Gibraltar, in southern Spain. It is the largest seaport in the country and the second largest in the Mediterranean Sea.

* Barcelona is a port city on the Mediterranean Sea, in northeastern Spain. It is the capital and largest city of Catalonia, and the second largest city in Spain. Barcelona is a major tourist destination and is known for its architecture, culture, and food.

* Bilbao is a port city on the Bay of Biscay, in northern Spain. It is the capital and largest city of the Basque Country. Bilbao is a major industrial center and is known for its Guggenheim Museum, which is a world-renowned art museum.

* Cádiz is a port city on the Atlantic Ocean, in southern Spain. It is the capital and largest city of the province of Cádiz. Cádiz is a popular tourist destination and is known for its beaches, its nightlife, and its rich history.

* Cartagena is a port city on the Mediterranean Sea, in southeastern Spain. It is the capital and largest city of the province of Murcia. Cartagena is a major naval base and is also a popular tourist destination, known for its beaches, its history, and its architecture.

* Las Palmas de Gran Canaria is a port city on the island of Gran Canaria, in the Canary Islands. It is the capital and largest city of the Canary Islands. Las Palmas de Gran Canaria is a major tourist destination and is known for its beaches, its climate, and its nightlife.

* Málaga is a port city on the Mediterranean Sea, in southern Spain. It is the capital and largest city of the province of Málaga. Málaga is a major tourist destination and is known for its beaches, its climate, and its history.

* Santander is a port city on the Bay of Biscay, in northern Spain. It is the capital and largest city of the province of Cantabria. Santander is a popular tourist destination and is known for its beaches, its climate, and its festivals.

* Tarragona is a port city on the Mediterranean Sea, in northeastern Spain. It is the capital and largest city of the province of Tarragona. Tarragona is a major tourist destination and is known for its beaches, its history, and its architecture.

* Valencia is a port city on the Mediterranean Sea, in eastern Spain. It is the capital and largest city of the Valencian Community. Valencia is a major tourist destination and is known for its beaches, its climate, and its architecture.