The invention relates to an absorbent article intended for use in a thong garment, and having a longitudinal direction and a transverse direction and comprising a liquid-permeable cover sheet (109), a liquid-tight cover sheet (110), and an absorption body (111) enclosed between the two cover sheets (109, 110), the liquid-permeable cover sheet (109) being intended to be directed towards the user's body during use and the liquid-tight cover sheet (110) being intended to be directed towards the thong garment during use, an adhesive fastening means (514, 614, 714, 814) being arranged on the liquid-tight cover sheet (110), and the article moreover having, in its longitudinal direction, a front portion (106), a rear portion (107), two side edges (102, 103), and a front edge (104) and a rear edge (105). The article has a portion which is arranged centrally between the longitudinal side edges (102, 103) and which is free of the adhesive fastening means (514, 614, 714, 814).