Castleton Square is an enclosed shopping mall in the Castleton neighborhood on the northeastern side of Indianapolis, Indiana, United States. Built by Edward J. DeBartolo Corporation and Homart Development Company in 1972, it is owned and managed by Simon Property Group. It is the largest mall in the state of Indiana, and has remained so since its construction. The center's original anchor stores were JCPenney, Sears, Lazarus, and Woolworth. From Wikipedia