The chemical compositions of essential oils from heartwood of the root and stem of Juniperus foctidissima Willd. collected in the vicinity of Eskisehir, Turkey were analyzed by GC/MS. The yield of stein and root heartwood oils were 3.2% and 2.7%, respectively. The main components were found to be cedrol (13-15%), widdrol (9-1.2%). 8,14-cedranoxide (7-8%), 14-hydroxy-(E)-caryophyllene (5-9%), cis-thujopseue (10-11%) and alpha-cedrene (6-8%).