Havullu | |
|---|---|
| Coordinates: 40°40′N32°15′E / 40.667°N 32.250°E | |
| Country | Turkey |
| Province | Bolu |
| District | Gerede |
| Population (2021) | 235 |
| Time zone | UTC+3 (TRT) |
Havullu is a village in the Gerede District, Bolu Province, Turkey. [1] Its population is 235 (2021). [2]