A control plane network entity for providing a multicast/broadcast service for one or more user equipments in a cellular communication network is provided. The control plane network entity is configured to: receive a session setup request for a multicast/broadcast session for the user equipments, wherein the session setup request comprises one or more identifiers identifying the user equipments and/or one or more spatial regions the user equipments are located in; select one or more access and mobility management function entities of the cellular communication network based on the one or more identifiers for providing the multicast/broadcast session to the user equipments; and send a user plane session setup request to the selected one or more access and mobility management function entities. Moreover, the disclosure relates to a user plane network entity and a radio access network node for anchoring and providing a multicast/broadcast service respectively.