Grebnice () is a village mostly located in Domaljevac-à  amac, Federation of Bosnia and Herzegovina, Bosnia and Herzegovina. However about a third of it is located in à  amac, which belongs to the Republika Srpska.
According to the 2013 census, its population was 1,358, with 455 living in the à  amac part and 903 in the Domaljevac-à  amac part.