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UNESCO since 1986Konstantinbasilika (Basilica of Constantine)
The ancient throne hall of Emperor Constantine, today the city's main Protestant church. A 27 m high hall with no internal supports.
Antike Innenstadt (Old Town)
Free admission Innenstadt (Old Town) · Hours as stated by the operator, as of July 2026
Innenstadt (Old Town) district Hotels nearby District Innenstadt (Old Town)
Admission Free admission
Hours (operator) Apr-Okt Mo-Sa 10-18, So 13-18; Nov-Mar verkürzt
Category Antike · UNESCO
The Aula Palatina was the throne hall of the late Roman emperor Constantine. At 67 m long, 27 m wide, and 33 m high, it is one of the largest surviving single-room buildings of antiquity. Today it serves as the Protestant Church of the Redeemer, with services held every Sunday inside the ancient hall.
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