Willowbrook Mall is a one-level shopping center with a partial second floor located in Wayne, New Jersey, United States. It is near the intersection of New Jersey Route 23, U.S. Route 46, and Interstate 80 in the New York metropolitan area and is situated close to both Essex and Morris counties near the Passaic River. The mall opened in 1969 and was expanded or renovated in 1970, 1988, 2006, and 2015. It has more than 165 retail establishments and a leasable area of 1,518,006 square feet (141,027.4 m2). It is the fifth-largest shopping mall in New Jersey.