The Macerich Company is a self-administered and self-managed real estate investment trust (REIT). The Company is focused on the acquisition, ownership, development, redevelopment, management, and leasing of regional shopping centers located throughout the United States. The Company owns ownership interests in, The Macerich Partnership, L.P. (the Operating Partnership). As of December 31, 2018, the Company, through its operating partnership, had ownership interests in 51 million square feet of real estate consisting primarily of 47 regional shopping centers. The Company's properties are concentrated in California, Arizona and the eastern United States including Santa Monica Place, Scottsdale Fashion Square, Queens Center, Kings Plaza, Tysons Corner Center and Fashion Outlets of Chicago.