A refrigerator comprising: a cabinet having an interior space; a wall partitioning the interior space into a storage space (W1, W2) and an air flow path (P), the wall includes a discharge port and a suction port ; and a temperature adjusting device in communication with the air flow path (P), wherein the air flow path (P) includes a discharge flow path (P2) for guiding air to the discharge port , wherein the discharge flow path (P2) has an inlet (PA) formed closer to a first side edge of the wall than a second side edge of the wall , and wherein the suction port is positioned so that a vertical centerline (Z1) of the wall extends through the suction port or a vertical centerline (Z2) of the suction portion is closer to the vertical centerline (Z1) of the wall than to the first and second side edges of the wall , wherein the refrigerator further comprises a return duct including a return flow path and configured to guide air between the suction port and the temperature adjusting device , the return duct including: an inlet through which air is received from the suction port ; an outlet through which air is discharged to the temperature adjusting device , and wherein the vertical centerline (Z1) of the wall passes through the outlet ; and wherein a duct section is provided between the inlet and the outlet , wherein the duct section overlaps a fan of the temperature adjusting device in a horizontal direction in an overlap portion ; characterized in that a fan motor mounting portion on which the fan is mounted is positioned between the fan and the overlap portion . a cabinet having an interior space; a wall partitioning the interior space into a storage space (W1, W2) and an air flow path (P), the wall includes a discharge port and a suction port ; and a temperature adjusting device in communication with the air flow path (P), wherein the air flow path (P) includes a discharge flow path (P2) for guiding air to the discharge port , wherein the discharge flow path (P2) has an inlet (PA) formed closer to a first side edge of the wall than a second side edge of the wall , and wherein the suction port is positioned so that a vertical centerline (Z1) of the wall extends through the suction port or a vertical centerline (Z2) of the suction portion is closer to the vertical centerline (Z1) of the wall than to the first and second side edges of the wall , wherein the refrigerator further comprises a return duct including a return flow path and configured to guide air between the suction port and the temperature adjusting device , the return duct including: an inlet through which air is received from the suction port ; an outlet through which air is discharged to the temperature adjusting device , and wherein the vertical centerline (Z1) of the wall passes through the outlet ; and wherein a duct section is provided between the inlet and the outlet , wherein the duct section overlaps a fan of the temperature adjusting device in a horizontal direction in an overlap portion ; characterized in that a fan motor mounting portion on which the fan is mounted is positioned between the fan and the overlap portion . an inlet through which air is received from the suction port ; an outlet through which air is discharged to the temperature adjusting device , and wherein the vertical centerline (Z1) of the wall passes through the outlet ; and wherein a duct section is provided between the inlet and the outlet , wherein the duct section overlaps a fan of the temperature adjusting device in a horizontal direction in an overlap portion ; characterized in that a fan motor mounting portion on which the fan is mounted is positioned between the fan and the overlap portion . <EOS>