A Plasma Display Panel (PDP) includes: a front panel; a rear panel parallel to and separated from a front panel; a plurality of first barrier ribs of a dielectric, arranged between the front panel and the rear panel, and adapted to define discharge cells together with the front panel and the rear panel; front discharge electrodes and rear discharge electrodes disposed apart to surround each discharge cell within the first barrier ribs, each of the front discharge electrodes and rear discharge electrodes including main line parts and corner parts adapted to connect the adjacent main line parts, wherein inner surfaces of the corner parts facing each discharge cell, are rounded; a phosphor layer arranged in each discharge cell defined by the first barrier ribs; and a discharge gas filling each discharge cell.