An absorbent article provided with an absorbent body (4) including a long and narrow absorbent core (40) which is long in the front-rear direction of the absorbent article, and is positioned between a non-skin-side sheet (3) for forming a non-skin-facing surface and skin-side sheets (2a, 2b) for forming a skin-facing surface, wherein: the absorbent core (40) is equipped with lateral regions (45) positioned in an excretion section on both sides in the widthwise direction, and a center region (41) which is thicker than the lateral regions (45) and positioned to the center in the widthwise direction relative to the lateral regions (45); the lateral regions (45) and the center region (41) are integrally formed with one another; the center region (41) projects in the direction of the non-skin-side sheet; and a region of the absorbent body (4) where the lateral regions (45) are present when seen from a planar view has a non-joined region not joined to the non-skin-side sheet (3).本發明係一種吸收性物品,其係於形成肌膚對向面之肌膚側片材(2a、2b)與形成非肌膚對向面之非肌膚側片材(3)之間具備吸收體(4),上述吸收體(4)包含沿吸收性物品之前後方向較長之縱長形狀之吸收性芯體(40),吸收性芯體(40)於排泄部對向部具備:側方區域(45),其位於寬度方向兩側;以及中央區域(41),其位於較該側方區域(45)更靠寬度方向中央側且厚度大於側方區域(45);側方區域(45)與中央區域(41)係一體成形,中央區域(41)係朝非肌膚側片材側突出,吸收體(4)中,於俯視時側方區域(45)所在之區域具有不與非肌膚側片材(3)接合之非接合區域。