ABSORBENT ARTICLEABSTRACTThe absorbent article 1 comprising: a main body 2 having an absorber 30 wing portions 43 extending outward of the main body in the width direction and folded back to a non-skin contact surface side of underwear of a wearer and flap portions 60 extending outward of the main body in the width direction at rear side compared to the wing portions wherein the flap portions comprise: first constricted portions 61 having a width in the width direction of the flap portions narrower than a width in the width direction in front-rear regions of the constricted portions first flap portions 63 positioned in front of the constricted portions and extending outward of the constricted portions in the width direction and second flap portions 64 positioned at rear side compared to the constricted portions and extending outward of the constricted portions in the width direction and wherein the flap portions are formed with recessed portions 70 indented in a thickness direction of the flap portions and the recessed portions extend from inside to outside in the width direction as going to the rear side.Figure 1.