Alken is an urban Settlement in Skanderborg Municipality, in the region of Central Denmark, Denmark. Alken lies at 31 m above sea level. It has 333 inhabitants (2026). The nearest city is Skanderborg, 5.7 km to the east. Among the landmarks around are Illerup Ådal (5.4 km), ARoS Aarhus Kunstmuseum (25 km) and Den Gamle By (25 km). Among the natural features are Himmelbjerget (11.7 km) and Møllehøj (8.4 km).