Hotel "Helios" / Double three by Hilton - 1 Phase
| Location | Golden sands resort, Varna, Bulgaria |
| Investor | „Crown hotels“ AD |
| Lead designer | arch. Petar Dikov |
| Design team | arch. Petar Dikov, arch. Valentin Dobrev, arch. Radosveta Edreva, arch. Maya Yovcheva, arch. Georgi Grudlev |
| Year | 2003 |
| Total area | 12 650 m2 |
