An absorbent article includes: a main body (8) including a liquid permeable top sheet (3), a liquid impermeable back sheet (2), and an absorbent body (4) interposed between the top sheet and the back sheet； and a hip-holding portion (H), wherein the main body has a shape having a predetermined length in a front-back direction and a predetermined width in a direction orthogonal to the front-back direction, and wherein the hip-holding portion includes a side region protruding from a side of a rear portion of the main body, the side region including a first projection (41) that includes a portion having a largest width from a center line in the front-back direction of the main body, a first recess (51) that is located adjacent to and forward of the first projection, and a second projection (52) that is located adjacent to and forward of the first recess, and wherein the back sheet in the side region has a slip preventive portion for securing the absorbent article, the slip preventive portion being disposed so as to straddle, in the front-back direction, a virtual line that is drawn in the width direction from a bottom point of the first recess.
