Kosci
Kosci is a village in the municipalities of Lopare and Tuzla, Tuzla Canton, Bosnia and Herzegovina.
Demographics
According to the 2013 census, its population was 97, with none living in the Lopare part, thus 97 in Tuzla.| Ethnicity | Number | Percentage |
| Croats | 92 | 94.8% |
| Bosniaks | 5 | 5.2% |
| Total | 97 | 100% |