An electronic device is provided, which includes a housing including a first plate, a second plate, and a side plate surrounding part of a space between the first plate and the second plate, a display positioned inside the housing and exposed through the first plate, a first conductive plate attached to or integrated into the display, wherein the first conductive plate faces the first direction and includes a first periphery extending along the side plate, a second conductive plate facing the third direction, wherein the second conducive plate includes a second periphery extending along the first periphery and a portion of the second periphery is coupled to the first periphery, and a wireless communication circuit electrically connected to the second conductive plate and configured to use at least one of the first conductive plate or the second conductive plate as an antenna element.