Lights of the Rhine from Antwerp - 6 nights

a port in northern Belgium, on the Scheldt River; population 472,071 (2008). By the 16th century, it was a leading European commercial and financial center. Flemish name Antwerpen.

Nijmegen is a city in the Dutchprovince of Gelderland, on the Waal river close to the German border.

Nijmegen is the oldest city in the Netherlands, the first to be recognized as such in Roman times, and in 2005 celebrated 2,000 years of existence.

The municipality is part of the Arnhem-Nijmegen urban region, a metropolitan area with 736,107 inhabitants in 2011.

Cologne is the largest city of Germany's most populous federal state of North Rhine-Westphalia, and its 1 million+ (2016) inhabitants make it the fourth most populous city in Germany after Berlin, Hamburg, and Munich. The largest city on the Rhine, it is also the most populous city both of the Rhine-Ruhr Metropolitan Region, which is Germany's largest and one of Europe's major metropolitan areas, and of the Rhineland. Centred on the left bank of the Rhine, Cologne is about 45 kilometres (28 mi) southeast of North Rhine-Westphalia's capital of Düsseldorf and 25 kilometres (16 mi) northwest of Bonn. It is the largest city in the Central Franconian and Ripuarian dialect areas.

The city's famous Cologne Cathedral (Kölner Dom) is the seat of the Catholic Archbishop of Cologne. There are many institutions of higher education in the city, most notably the University of Cologne (Universität zu Köln), one of Europe's oldest and largest universities, the Technical University of Cologne (Technische Hochschule Köln), Germany's largest university of applied sciences, and the German Sport University Cologne (Deutsche Sporthochschule Köln), Germany's only sport university. Cologne Bonn Airport (Flughafen Köln/Bonn) is Germany's seventh-largest airport and lies in the southeast of the city. The main airport for the Rhine-Ruhr region is Düsseldorf Airport.

Basel is a city in northwestern Switzerland on the river Rhine. Basel is Switzerland's third-most-populous city (after Zürich and Geneva) with about 180,000 inhabitants.

Located where the Swiss, French and German borders meet, Basel also has suburbs in France and Germany. As of 2016, the Swiss Basel agglomeration was the third largest in Switzerland with a population of 541,000[4] in 74 municipalities in Switzerland (municipal count as of 2018). The initiative Trinational Eurodistrict Basel (TEB) of 62 suburban communes including municipalities in neighboring countries, counted 829,000 inhabitants in 2007.

The official language of Basel is (the Swiss variety of Standard) German, but the main spoken language is the local Basel German dialect.