An electronic device is provided. The electronic device includes a front glass cover forming a front face of the electronic device, a rear glass cover forming a rear face of the electronic device, a metal bezel encapsulating a space formed by the front glass cover and the rear glass cover, and a display device disposed in the space and that includes a screen region exposed through the front glass cover. At least one glass cover of the front glass cover and the rear glass cover includes a surface that includes a first edge, a second edge extending at an opposite side to the first edge, a third edge interconnecting a first end of the first edge and a first end of the second edge, and a fourth edge interconnecting a second end of the first edge and a second end of the second edge.