Altenkirchen (German pronunciation: [ˌaltn̩ˈkɪʁçn̩] ) is a district in Rhineland-Palatinate, Germany. It is bounded by (from the north and clockwise) the North Rhine-Westphalian districts Rhein-Sieg, Oberbergischer Kreis, Olpe and Siegen-Wittgenstein, and the districts of Westerwaldkreis and Neuwied.
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Neuwied (German pronunciation: [nɔʏˈviːt] ) is a district (Kreis) in the north of Rhineland-Palatinate, Germany. Neighboring districts are (from north clockwise) Rhein-Sieg, Altenkirchen, Westerwaldkreis, Mayen-Koblenz, Ahrweiler.
The Rhein-Sieg-Kreis (Kölsch: Rhein-Siech-Kreis) is a Kreis (district) in the south of North Rhine-Westphalia, Germany. Neighboring districts are Rheinisch-Bergischer Kreis, Oberbergischer Kreis, Altenkirchen, Neuwied, Ahrweiler, Euskirchen, Rhein-Erft-Kreis, the urban district of Cologne. The federal city of Bonn is nearly completely surrounded by the district.
The Oberbergischer Kreis (German pronunciation: [ˈoːbɐˌbɛʁɡɪʃɐ ˈkʁaɪs], lit. 'Upper Bergian District') is a Kreis (district) in the state of North Rhine-Westphalia, Germany. Neighboring districts are Ennepe-Ruhr, Märkischer Kreis, Olpe, Altenkirchen, Rhein-Sieg, Rheinisch-Bergischer Kreis, and the urban districts Remscheid and Wuppertal.
The Siegerland (German pronunciation: [ˈziːɡɐˌlant] ) is a region of Germany covering the old district of Siegen (now part of the district of Siegen-Wittgenstein in North Rhine-Westphalia) and the upper part of the district of Altenkirchen, belonging to the Rhineland-Palatinate adjoining it to the west.
Geologically, the Siegerland belongs to the Rhenish Massif (Rheinisches Schiefergebirge, Rhenish Slate Mountains). The point of highest elevation is the Riemen, at 678 metres above sea level. The river Sieg, a right tributary of the river Rhine, has its source in the town of Netphen in the Rothaar Mountains.
Olpe (German pronunciation: [ˈɔlpə]) is a Kreis (district) in the south-east of North Rhine-Westphalia, Germany. Neighboring districts are Märkischer Kreis, Hochsauerland, Siegen-Wittgenstein, Altenkirchen, Oberbergischer Kreis.