<p>A recording medium (100) is provided with a first recording layer (L0) including a first area (105) and a second recording layer (L1) including a second area (115). One end of the second area is at a position shifted from one end of the first area toward the other end. Prerecording areas (121, 122) whereupon recording information is previously recorded are arranged adjacent to the one end of the second area.</p>
