Ahrweiler is a district in the north of Rhineland-Palatinate, Germany. It is bounded by the districts of Euskirchen, Rhein-Sieg and the city of Bonn in the state of North Rhine-Westphalia, and the districts of Neuwied, Mayen-Koblenz and Vulkaneifel.

Rhineland-Palatinate is a western state of Germany. It covers 19,846 km2 (7,663 sq mi) and has about 4.05 million residents. It is the ninth largest and sixth most populous of the sixteen states. Mainz is the capital and largest city. Other cities are Ludwigshafen am Rhein, Koblenz, Trier, Kaiserslautern, Worms and Neuwied. It is bordered by North Rhine-Westphalia, Saarland, Baden-Württemberg and Hesse and by France, Luxembourg and Belgium.