An air freshener holder for use in automobiles having cabins is dimensioned to removably attach to a rear-side of a rear-view mirror of the automobile. The air freshener holder includes an elongated enclosure having a top, bottom, and side walls defining a volume of the enclosure. A wing-shaped pair of flaps extend from the bottom of the enclosure. The flaps are semi-flexible and can attach to the rear side of a rear-view mirror. The enclosure having an opening for receiving the air-freshener cartridge and a number of apertures for air flow. A transponder can be attached to the top wall of the enclosure.