Disclosed is an elongated absorbent article including: rear inner compressed grooves (11D, 11D) disposed in a rear half of the absorbent article and extending symmetrically about a longitudinal centerline (Oy-Oy) of the absorbent article, defining therebetween a rear central region (20D); and a rear connecting compressed groove (14) connecting rear ends of the rear inner compressed grooves (11D, 11D), defining a rear end of the rear central region (20D). A liquid absorbent layer (4) is recessed in the rear central region (20D) from the side of the garment surface toward the skin surface to have a backside compressed portion (18) extending along the longitudinal centerline (Oy-Oy). The backside compressed portion (18) has a rear end (18b) positioned forward of the rear connecting compressed groove (14).