# GRAND Deniz Hotel, Istanbul

Roost Score **6.36/10**, from a guest rating of 6
across 105 reviews. 19 September 2026.

| Component | Value |
|---|---|
| Guest rating as published | 6 |
| Reviews behind it | 105 |
| Country mean | 8.443 |
| After evidence weighting | 6.788 |
| Country re-basing weight | 0.3 |
| **Roost Score** | **6.36** |

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Source: HotelRoost — https://hotelroost.com/hotels/turkey/istanbul/grand-deniz-hotel
Retrieved: 19 September 2026
Scoring method: /methodology