Book Your Room

Book a room at 25Hours Hotel The Circle on September 16th, 2025 for the Prebid Ascent Germany: Developers Conference.
The 25hours Hotel The Circle offers a retro-futuristic design by Studio Aisslinger. The listed building now features a welcoming café, co-working spaces and 207 rooms. The 8th floor houses the NENI restaurant and Monkey Bar, offering stunning views of Cologne Cathedral. Book direct on the 25hours Hotel website for the best rate.

Hotel address: 25hours Hotel The Circle Im Klapperhof 22-24 50670 Cologne, Germany.