An electronic device including a wireless charging structure is provided. The electronic device may include a housing including a first plate facing a first direction, a second plate facing a second direction opposite the first direction, and a side member; a processor; a wireless communication circuit; and an electrically conductive coil that is wound around an axis extending in the second direction. The second plate may include a conductive substrate; an opening formed through or in a portion of the conductive substrate; a plurality of first conductive strips extending from a first positionaround the opening to a second location around the opening, wherein the plurality of first conductive strips are electrically connected to the first portion and electrically disconnected from the second portion and extend from the opening; and an insulating material filled in at least a portion of the opening.