Rhineland-Palatinate
Rhineland-Palatinate is located in western Germany covering an area of and a population of 4.05 million inhabitants, the seventh-most populous German state. Mainz is the state capital and largest city, while other major cities include Ludwigshafen am Rhein, Koblenz, Trier, Kaiserslautern, and Worms. Rhineland-Palatinate is surrounded by the states of North Rhine-Westphalia, Saarland, Baden-Württemberg, and Hesse. It also borders three foreign countries: France, Luxembourg and Belgium.
Saarland
Saarland is located in western Germany covering an area of and a population of 995,600 (2015), the smallest German state in both area and population apart from the city-states of Berlin, Bremen, and Hamburg. Saarbrücken is the state capital and largest city, while other major cities include Neunkirchen and Saarlouis. Saarland is surrounded by France to the west and south and the German state of Rhineland-Palatinate to the north and east.