Jerusalem is the capital of Israel, though not internationally recognized as such. If the area and population of East Jerusalem is included, it is Israel's largest city in both population and area, with a population of 763,800 residents over an area of 48.3 square miles. Located in the Judean Mountains, between the Mediterranean Sea and the northern edge of the Dead Sea, modern Jerusalem has grown far beyond the boundaries of the Old City. Jerusalem is a holy city to the three major Abrahamic religions—Judaism, Christianity and Islam. In Judaism, Jerusalem has been the holiest city since, according to the Torah, King David of Israel first established it as the capital of the united Kingdom of Israel inc. 1000 BCE, and his son Solomon commissioned the building of the First Temple in the city. 

Casablanca is a city in western Morocco, located on the Atlantic Ocean. It is the capital of the Grand Casablanca region. With a population of 3,299,428, Casablanca is Morocco's largest city as well as its chief port. It's also the biggest city in the Maghreb. Casablanca is considered the economic and business center of Morocco, while the political capital city of Morocco is Rabat.

Barcelona – Spain's enchanting capital, second largest and most populous city. It is a huge city that vibrates with life, and there’s certainly not another city in the country to touch it for its sheer style, looks or energy. It is one of the world's leading tourist, economic, trade fair and cultural centers, and its influence in commerce, education, entertainment, media, fashion, science, and the arts all contribute to its status as one of the world's major global cities. Barcelona is home to masterpieces of many great architects – the most famous of which is Antoni Gaudí. 

Piraeus is a city in the periphery of Attica,  Greece and within the Athens urban area, located 12 km southwest of its center and upon the Saronic Gulf. According to the 2001 census, Piraeus has a population of 175,697 people within its administrative limits, making it the third largest municipality in Greece and the second within the Greek capital following the municipality of Athens. The Piraeus urban area extends beyond the administrative city limits to the suburban municipalities, with a total population of 466,065. 

Cartagena is a Spanish city and a majornaval station located in the Region of Murcia, by the Mediterranean coast, south-eastern Spain. The metropolitan area of Cartagena, known as Campo de Cartagena, has a population of 409,586 inhabitants. Cartagena has been inhabited for over two millennia, being founded around 227 BC by the Carthaginian Hasdrubal the Fair as Qart Hadasht, the same name as the original city of Carthage. Much of the historical weight of Cartagena in the past goes to its coveted defensive port, one of the most important in the western Mediterranean. As far back as the 16th century it was one of the most important naval ports in Spain, together with Ferrol in the North. It is still an important naval seaport, the main military haven of Spain, and is home to a large naval shipyard. The confluence of civilizations as well as its strategic harbour, together with the rise of the local mining industry is manifested by a unique artistic heritage, with a number of landmarks such as the Roman Theatre, the second largest of the Iberian Peninsulaafter the one in Mérida, an abundance of Phoenician, Roman, Byzantine and Moorish remains, and a plethora of Art Nouveaubuildings, a result of the bourgeoisie from the early 20th century. Cartagena is now established as a major cruise ship destination in the Mediterranean and an emerging cultural focus. It is the first of a number of cities that eventually have been named Cartagena, most notably Cartagena de Indias (Cartagena of the Indies) in Colombia.