Altena
Altena | |
|---|---|
View of Altena Castle in September 2008 | |
Location of Altena within Märkischer Kreis district | |
| Coordinates: 51°18′N 07°40′E / 51.300°N 7.667°E | |
| Country | Germany |
| State | North Rhine-Westphalia |
| Admin. region | Arnsberg |
| District | Märkischer Kreis |
| Subdivisions | 7 |
| Government | |
| • Mayor (2020–25) | Uwe Kober (CDU) |
| Area | |
• Total | 44.29 km2 (17.10 sq mi) |
| Highest elevation | 511 m (1,677 ft) |
| Lowest elevation | 145 m (476 ft) |
| Population (2023-12-31) | |
• Total | 16,657 |
| • Density | 380/km2 (970/sq mi) |
| Time zone | UTC+01:00 (CET) |
| • Summer (DST) | UTC+02:00 (CEST) |
| Postal codes | 58741–58762 |
| Dialling codes | 02352 |
| Vehicle registration | MK |
| Website | www.altena.de |
Altena (ⓘ; Westphalian: Altenoa) 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.