Imperium Dekadenz is an atmospheric Black Metal Band from the south-west of Germany (Villingen-Schwenningen/ Black Forest).

Imperium Dekadenz is a German black metal band formed in 2004. The band name is inspired by the 1979 film Caligula. The band members were fascinated by the violence and decadence portrayed in the film, as well as the pride in the Roman Empire it portrayed.