1. Absorbent article characterized in that it comprises a liquid permeable top sheet, a liquid impervious backsheet and an absorbent core comprising an absorbent material between a top core wrap sheet and a back core wrap sheet, said absorbent core being positioned between said topsheet and said backsheet, said absorbent core having a first and second longitudinal edges and a first and second transverse edges, said absorbent core having a first part (130a), (130b) and a second part (130b), (130a) on both sides of a transverse crotch line (L), the absorbent core being provided with a plurality of joining areas in which the upper core wrap sheet is attached to the back core wrap sheet, comprising said plurality of junction zones at least a first and a second elongated junction zones (14 0. 150)； (160, 170) which extend side by side, at least in the first part of the absorbent core in the direction of the first transverse edge (133), (134), and a third and fourth elongated joining areas (160 , 170)； (140, 150) extending side by side, at least in the second part of the absorbent core, in the direction of the second transverse edge (134), (133)； the first elongated junction zone being separated from the third elongated junction zone by an absorbent material, and the second elongated junction zone being separated from the fourth elongated junction zone by an absorbent material.
