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.
Rheiderland
The Rheiderland is a region of Germany and the Netherlands between the River Ems and the Bay of Dollart. The German part of the Rheiderland lies in East Frisia, west of the Ems. The Dutch part (written: "Reiderland") lies in the Dutch province of Groningen and is mostly part of Oldambt. The Rheiderland is one of the four historic regions on the mainland in the district of Leer; the others being the Overledingerland, the Moormerland and the Lengenerland.