The Coverage area of the Garden City Park Civic Association extends northward from the LIRR tracks, eastward from Denton Ave., westward from Marcus Ave. until Jericho Tpk., where it extends eastward to Herricks Rd. It extends south on Herricks Rd., to the LIRR tracks. The northern most part extends to Hillside Ave. where Denton Ave., and Marcus Ave. meet.