A defect management area (DMA) exists in an optical disc (1). In a temporary defect management area (TDMS) in the defect management area, a plurality of defect area lists (TDFL) and structure information (TDDS) are recorded. The defect area list (TDFL) indicates at least one defect area detected while accessing the optical disc (1). The structure information (TDDS) includes a plurality of pieces of positional information corresponding to each of the defect area lists (TDFL), and the positional information is arranged in an order by which the corresponding defect area list (TDFL) in the structure information (TDDS) is to be read out.