 Cleveland Heights, also known as Haddon Hill by local realtors, is located at the northwestern corner of the San Antonio district, perched on a hill overlooking Lake Merritt.It was formerly the township of Brooklyn prior to its annexation by Oakland in 1909.The neighborhood is commonly known as the area encompassed by Lakeshore Avenue on Lake Merritt, East 18th Street, Park Boulevard, and MacArthur Boulevard/I-580 MacArthur Freeway.