Located directly below the Vienna State Opera, one of Vienna’s largest nightclubs awaits you, featuring international standards, a diverse program, and a sophisticated atmosphere. O – the club offers a mix of festival vibes and hit-fueled ecstasy, with well-known international acts from the electronic music scene on Fridays and the best hits of the ’90s on Saturdays. As a hotel guest, you’ll enjoy special perks such as fast-track access and a dedicated table booking service*, which can ensure you have an unforgettable experience on site (private entrance, VIP coat check and restrooms, dedicated waiter/bottle service).