Westphalia is a region of northwestern Germany and one of the three historic parts of the state of North Rhine-Westphalia. It has an area of 20,210 km2 (7,803 sq mi) and 7.9 million inhabitants.
North Rhine-Westphalia is the most populous of the 16 states of Germany.
The Sieg is a river in North Rhine-Westphalia and Rhineland-Palatinate, Germany. It is a right tributary of the Rhine.
The Aabach is a 14-kilometre (8.7 mi) long river in Germany, a left tributary of the river Afte. It rises near the village Madfeld, part of the town Brilon, in eastern North Rhine-Westphalia near the border with Hesse. From there it flows north between mountains up to 503 metres (1,650 ft) high through a forested landscape, partly in the natural park Diemelsee. After a few kilometers it flows into the artificial lake Aabachstausee. It flows to the north and empties only about 3.5 kilometres (2.2 mi) further north after Bad Wünnenberg, where it flows into the Afte.
The Kyll, noted by the Roman poet Ausonius as Celbis, is a 128-kilometre-long (80 mi) river in western Germany, left tributary of the Moselle. It rises in the Eifel mountains, near the border with Belgium and flows generally south through the towns Stadtkyll, Gerolstein, Kyllburg and east of Bitburg. It flows into the Moselle in Ehrang, a suburb of Trier.
Havixbeck is a municipality situated on the north-east edge of the Baumberge in the district of Coesfeld, in northern North Rhine-Westphalia, Germany. It is located approximately 15 km west of Münster.
The Münstersche Aa is a river in the Münster region of Westphalia in Germany. It is a left tributary of the Ems. The Münstersche Aa begins near Havixbeck, flows southeast until Münster, and then north to Greven, where it flows into the Ems. The total length of the Münstersche Aa is about 43 kilometres (27 mi).
Speller Aa is a river of North Rhine-Westphalia and Lower Saxony, Germany. It flows into the Große Aa near Lünne.
Neerdar is a river of North Rhine-Westphalia and of Hesse, Germany. It is a left tributary of the Wilde Aa near Korbach.
Wilde Aa is a river of North Rhine-Westphalia and Hesse, Germany. It flows into the Orke near Lichtenfels.
Aa is a river of North Rhine-Westphalia, Germany. It is a left tributary of the Werre, which it joins in Herford. It is formed by the confluence of two small streams in Bielefeld-Milse. In its upper part, it is called Johannisbach.
Bocholter Aa is a river of North Rhine-Westphalia, Germany, and the Achterhoek of the Netherlands. It flows through the town Bocholt. Its last part, before joining the Oude IJssel in Ulft, is called Aa-strang in Dutch.
Dreierwalder Aa is a river of North Rhine-Westphalia, Germany. It flows into the Speller Aa in Spelle.
Kinderbach is a river of North Rhine-Westphalia, Germany. It flows into the Münstersche Aa north of Münster.
Kleine Aa is a river of North Rhine-Westphalia, Germany, a tributary of the Aabach. Thus it is part of the Rhine River Basin.
Meckelbach is a river of North Rhine-Westphalia, Germany. It flows into the Münstersche Aa southwest of Münster.
Schaler Aa is a river of Lower Saxony and North Rhine-Westphalia, Germany. It flows into the Große Aa south of Freren.
Schwarzbach is a river of North Rhine-Westphalia, Germany. It is a right tributary of the Johannisbach, that in the lower course is called Aa.
Steinfurter Aa is a river of North Rhine-Westphalia, Germany. It flows through Steinfurt, and joins the Vechte near Wettringen.
Eltingmühlenbach is a river of Lower Saxony and North Rhine-Westphalia, Germany. It flows into the Glane near Greven. On its course from near Bad Iburg to the southwest, it assumes several names: Glaner Bach, Oedingberger Bach and Aa.
