A display device includes a substrate including an opening area and a display area at least partially surrounding the opening area; and a metal layer including a first region and a second region adjacent to a non-display area between the opening area and the display area, the first region and the second region are spaced apart from each other, and one of the first region and the second region includes a protrusion extending toward the other of the first region and the second region, and the other of the first region and the second region has a shape to receive the protrusion.