City · Germany
Altena

Altena is a town in the district of Märkischer Kreis, North Rhine-Westphalia, Germany. The town's castle is the origin for the later Dukes of Berg. Altena is situated on the Lenne river valley, in the northern stretches of the Sauerland.
Good to know
- Population: 20,862.
- Timezone: Europe/Berlin.
