Hotel Boltzmann in Vienna scores 7.42/10 on HotelRoost, from a guest rating of 8/10 across 3,346 reviews (20 September 2026).
Rooms and what they cost
Where it is
48.2216, 16.3566 · map © OpenFreeMap, data © OpenStreetMap contributors
How this score was reached
| Guest rating as published | 8 |
| Reviews behind it | 3,346 |
| Country mean | 8.977 |
| After evidence weighting | 8.014 |
| Country re-basing weight | 0.3 |
| Roost Score | 7.42 |
Before you go to Vienna
Travel eSIMData the moment you land, without hunting for a SIM card.Airport transferFixed-price pickup, booked before you fly.Car hireCompare local and international suppliers in one place.
These three are paid partnerships — we earn a commission if you book through them. They have no effect on any hotel’s position in the index.