Barcelona is a city in Spain. It is the capital and largest city of Catalonia, as well as the second most populous municipality of Spain. With a population of 1.6 million within city limits, its urban area extends to numerous neighbouring municipalities within the Province of Barcelona and is home to around 4.8 million people, making it the sixth most populous urban area in the European Union after Paris, London, Madrid, the Ruhr area and Milan. It is one of the largest metropolises on the Mediterranean Sea, located on the coast between the mouths of the rivers Llobregat and Besòs, and bounded to the west by the Serra de Collserola mountain range, the tallest peak of which is 512 metres (1,680 feet) high.

Founded as a Roman city, in the Middle Ages Barcelona became the capital of the County of Barcelona. After merging with the Kingdom of Aragon, Barcelona continued to be an important city in the Crown of Aragon as an economic and administrative centre of this Crown and the capital of the Principality of Catalonia. Barcelona has a rich cultural heritage and is today an important cultural centre and a major tourist destination. Particularly renowned are the architectural works of Antoni Gaudí and Lluís Domènech i Montaner, which have been designated UNESCO World Heritage Sites. The headquarters of the Union for the Mediterranean are located in Barcelona. The city is known for hosting the 1992 Summer Olympics as well as world-class conferences and expositions and also many international sport tournaments.

Barcelona is one of the world's leading tourist, economic, trade fair and cultural centres, 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. It is a major cultural and economic centre in southwestern Europe, 24th in the world (before Zürich, after Frankfurt) and a financial centre. In 2008 it was the fourth most economically powerful city by GDP in the European Union and 35th in the world with GDP amounting to €177 billion. In 2012 Barcelona had a GDP of $170 billion; and it was leading Spain in employment rate in that moment.

In 2009 the city was ranked Europe's third and one of the world's most successful as a city brand. In the same year the city was ranked Europe's fourth best city for business and fastest improving European city, with growth improved by 17% per year, and the city has been experiencing strong and renewed growth for the past three years. Since 2011 Barcelona has been a leading smart city in Europe. Barcelona is a transport hub, with the Port of Barcelona being one of Europe's principal seaports and busiest European passenger port, an international airport, Barcelona–El Prat Airport, which handles over 50 million passengers per year, an extensive motorway network, and a high-speed rail line with a link to France and the rest of Europe.

The capital of Malta - Valletta , is the first and almost the only city in Europe, which was once designed by architects and built according to all the rules and norms of construction. Valletta is considered to be one of the most beautiful cities on the Mediterranean. Klaipeda is on the list of the few remaining fortified towns. The center of the city is the Palace of the Grand Master of the Order of Malta, and today the residence of the President of the country, here is the seat of the Maltese Parliament. The list of places to visit in Valletta includes the Castilla Palace, the Admiralty (where the National Museum of Fine Arts is now located, with the largest painting collection in the country), a charming place in the city - the beautiful Hastings Gardens, and this is not the whole list of the riches of the capital of Malta .

Rhodes is the largest of the Dodecanese islands of Greece and is also the island group's historical capital. Administratively the island forms a separate municipality within the Rhodes regional unit, which is part of the South Aegean administrative region. The principal town of the island and seat of the municipality is Rhodes. The city of Rhodes had 50,636 inhabitants in 2011. It is located northeast of Crete, southeast of Athens and just off the Anatolian coast of Turkey. Rhodes' nickname is The island of the Knights, named after the Knights of Saint John of Jerusalem, who once conquered the land.

Historically, Rhodes was famous worldwide for the Colossus of Rhodes, one of the Seven Wonders of the Ancient World. The Medieval Old Town of the City of Rhodes has been declared a World Heritage Site. Today, it is one of the most popular tourist destinations in Europe. The name of the U.S. state of Rhode Island is thought to be based on this island.

Mykonos is a Greek island, part of the Cyclades, lying between Tinos, Syros, Paros and Naxos. The island spans an area of 85.5 square kilometres (33.0 sq mi) and rises to an elevation of 341 metres (1,119 feet) at its highest point. There are 10,134 inhabitants (2011 census), most of whom live in the largest town, Mykonos, which lies on the west coast. The town is also known as Chora (i.e. the Town in Greek, following the common practice in Greece when the name of the island itself is the same as the name of the principal town).

Piraeus is the gateway to Athens , which, in turn, is rightfully considered the center of the centers of the whole world, with the main attraction - the acropolis. Piraeus is an old port city serving the port of Athens, the largest port in Greece to date. Piraeus is part of the great Athens, which boasts an abundance of attractions, including unique monuments of national fine art. More than two hundred museums and galleries, including the University History Museum, the Ceramics Archaeological Museum and many others, will hospitably welcome you within their walls and familiarize themselves with the culture of this area.