Pennsylvania Real Estate Investment Trust (PREIT) is a self-managed and self-administered real estate investment trust (REIT). The Company's primary business is owning and operating retail shopping malls, which it does primarily through operating partnership, PREIT Associates, L.P. (PREIT Associates). The Company is engaged in the ownership, management, leasing, acquisition, redevelopment, development and disposition of shopping malls. The Company has a primary investment focus on retail shopping malls located in the eastern half of the United States, primarily in the Mid-Atlantic region. As of December 31, 2016, the Company owned interests in 30 retail properties, of which 26 are operating properties and four are development or redevelopment properties. As of December 31, 2016, the Company's 26 operating properties included 22 shopping malls and four other retail properties, had a total of 21.7 million square feet and were located in nine states.