At Grand Hotel Millennium Sofia, guests enjoy a full-service spa, an indoor pool, and a gym. Parking is EUR 30 per day (EUR 30 per day for valet parking)—but if you prefer not to drive, catch a ride in the airport shuttle (available 24 hours) for EUR 40 per vehicle one-way. The 24-hour front desk has multilingual staff ready to assist with concierge services, luggage storage, and access to locker space. If you like to take your furry friend along on your adventures, this pet-friendly property offers food and water bowls. Other amenities at this luxury hotel include a steam room, a rooftop terrace, and free WiFi in public areas.