Vrelo, Cazin
Vrelo is a village in the municipality of Cazin, Bosnia and Herzegovina.
Demographics
According to the 2013 census, its population was 220.| Ethnicity | Number | Percentage |
| Bosniaks | 215 | 97.7% |
| Croats | 1 | 0.5% |
| other/undeclared | 4 | 1.8% |
| Total | 220 | 100% |