A method for an electronic device to control at least one external electronic device is provided. The method includes receiving an input for calling a voice-based assistant of the electronic device from a user, broadcasting, in response to the input, a request signal for requesting transmission of a response signal, receiving the response signal including location information about at least one external electronic device from the at least one external electronic device, obtaining a location of the electronic device based on the response signal, receiving a control utterance from the user, and transmitting the control utterance and location information about the electronic device to a server device.