A mobile home robot is provided. The mobile home robot includes a storage configured to store in-home map data, a communication interface comprising communication interface circuitry, a camera, a user interface, and a processor configured to, based on device information of a plurality of Internet of things (IoT) devices installed in the home and an image captured through the camera while the mobile home robot moves around in the home, generate location information of each of the plurality of IoT devices, to map the generated location information with the map data, and in response to a user command being received through the user interface, to provide an IoT device location-based service based on the map data with which the location information is mapped.