An apparatus and method are provided for steering a PDU session associated with traffic routed to a selected UPF. The method includes receiving, from an AF entity, a first message including information for selecting a UPF entity for traffic routing of a terminal and information on a spatial condition associated with a location of the terminal; transmitting, to an SMF entity, a second message to receive information associated with the location of the terminal indicating that the terminal entered or left a specific area, the specific area being determined by the PCF entity based on the spatial condition; receiving, from the SMF entity, a third message including the information associated with the location of the terminal; and transmitting, to the SMF entity, a fourth message based on the information associated with the location of the terminal included in the third message, the fourth message including the information for selecting the UPF entity for traffic routing of the terminal.