An electronic device according to an embodiment of the disclosure may include a housing, a camera module disposed in the housing, a sound output module disposed in the housing to be spaced apart from the camera module, a first sound hole positioned on the front surface of the electronic device, a second sound hole which is positioned on a side surface of the electronic device and includes a dummy hole disposed to be adjacent to the sound output module and at least partially closed, and a connection hole spaced farther apart from the sound output module than the dummy hole, a sound outlet formed through the housing to allow sound generated in the sound output module to be output therethrough, and connected to the first sound hole and the second sound hole, and a sound guide part formed in the housing along a direction in which the first sound hole and the second sound hole extend, and configured to connect the sound outlet, the first sound hole, and the second sound hole.