The Nicene Creed (Greek: Σύμβολον τῆς Νικαίας or τῆς πίστεως, Latin: Symbolum Nicaenum) is a profession of faith widely used in Christian liturgy.It is called Nicene /ˈnaɪsiːn/ because it was originally adopted in the city of Nicaea (present day Iznik, Turkey) by the First Council of Nicaea in 325.