An absorbent article (1) that includes a water-disintegratable top sheet (2), a water-disintegratable back sheet (3), and a water-disintegratable absorber (4) interposed between the top sheet (2) and the back sheet (3). Adhesive coating regions 100 of an adhesive (5) are formed in the back sheet (3), and the coating regions 100 of the adhesive (5) are provided to continuously extend from one face (31) of the back sheet (3) to the other face (32) of the back sheet (3).
