Gromiljak
Gromiljak is a village in the municipality of Kiseljak, Bosnia and Herzegovina.
Demographics
According to the 2013 census, its population was 786.| Ethnicity | Number | Percentage |
| Croats | 688 | 87.5% |
| Bosniaks | 81 | 10.3% |
| Serbs | 5 | 0.6% |
| other/undeclared | 12 | 1.5% |
| Total | 786 | 100% |