A plasma display panel is disclosed. The plasma display panel includes first barrier ribs partitioning a plurality of sub pixels, and second barrier ribs partitioning neighboring unit pixels wherein the plurality of sub pixels form one unit pixel. A width of each of the second barrier ribs partitioning the unit pixels is wider than that of each of the first barrier ribs partitioning the plurality of sub pixels. A sub pixel located at the center of the plurality of sub pixels is a blue sub pixel.