Amsterdam is the capital of the Kingdom of the Netherlands. It is the country's largest city and its financial, cultural, and creative centre. Many large Dutch institutions have their headquarters there, and seven of the world's 500 largest companies, including Philips and ING, are based in the city. In 2012, Amsterdam was ranked the second best city in which to live by the Economist Intelligence Unit (EIU) and 12th globally on quality of living for environment and infrastructure by Mercer. Amsterdam derives its name from the city’s origin as “Dam” of river “Amstel”. In the past, the name was "Amstelredamme" which later changed as “Amsterdam”. The city is one of the most popular destinations in Europe, attracting over 7 million international travellers annually. The city is colloquially known as ''Venice of the North'' because of its lovely canals that criss-cross the city, its impressive architecture and more than 1,500 bridges. There is something for every traveller's taste here; whether you prefer culture and history, serious partying, or just the relaxing charm of an old European city!

Strasbourg is the capital and principal city of the Alsace region in north-eastern France and is the official seat of the European Parliament. Located close to the border with Germany, it is the capital of the Bas-Rhin department. In 2006, the city proper had 272,975 inhabitants and its urban community 467,375 inhabitants. With 638,670 inhabitants in 2006, Strasbourg's metropolitan area ("aire urbaine") (only the part of the metropolitan area on French territory) is the ninth largest in France. The transnational Eurodistrict Strasbourg-Ortenau has a population of 884,988 inhabitants.

Cologne is the largest city in the German federal State of North Rhine-Westphalia and the fourth-largest city in Germany. In medieval times it was the largest city of the Holy Roman Empire. It is one of the nation's media, tourism and business hotspots. Cologne is known to be one of the most liberal cities in Germany. Cologne is a traditionally Ripuarian-speaking city, though this has mostly been replaced by German, which is now the main language of the city. English-speaking guides and information are available for many of the landmarks of the city. Cologne's citizens are also very friendly and jovial people, welcoming tourists of all types and with all interests.

Heidelberg is a German city situated in the south-west of the country. The fifth largest city of the German State of Baden-Württemberg after Stuttgart, Mannheim, Karlsruhe and Freiburg im Breisgau, Heidelberg is part of a densely populated region known as the Rhine-Neckar Metropolitan Region. As of 2009, over 145,000 people live within the city's area. Heidelberg lies on the River Neckar in a steep valley in the Odenwald. Heidelberg — having been a former residence of the Electoral Palatinate in the past — is the seat of the University of Heidelberg, which is well-known far beyond its and Germany's borders. Heidelberg is also a popular tourist destination due to its romantic and picturesque cityscape's character, including the Heidelberg Castle and the baroque style Old Town. The US Army has had a military base in Heidelberg since 1951.

Basel is one of the important cities of Switzerland. One of Switzerland's underrated tourist destinations, Basel has a beautiful medieval old town centre, a vibrant Carnival, and several world class art museums built by architects like Renzo Piano, Mario Botta and Herzog & De Meuron. Basel is also rich in architecture old and new, with a Romanesque Münster (cathedral), a Renaissance Rathaus (town hall), and various examples of high quality contemporary architecture, including more buildings by Herzog & De Meuron, Richard Meier, Diener & Diener, and various others. Located in the Dreiländereck (three countries' corner), Basel is a gateway to the Swiss Jura mountains and nearby cities of Zürich and Lucerne, as well as the neighbouring French region of Alsace and the German Black Forest.