Brandywine Realty Trust is a self-administered and self-managed real estate investment trust (REIT). The Company operates through five segments: Pennsylvania Suburbs, Philadelphia Central Business District (CBD), Metropolitan Washington, D.C., Austin, Texas, and Other. The Pennsylvania Suburbs segment includes properties in Chester, Delaware and Montgomery counties in the Philadelphia suburbs. The Philadelphia CBD segment includes properties located in the City of Philadelphia in Pennsylvania. The Metropolitan Washington, D.C. segment includes properties in the District of Columbia, Northern Virginia and Southern Maryland. The Austin, Texas segment includes properties in the City of Austin, Texas. The Other segment includes properties in Burlington and Camden counties in New Jersey, New Castle County in the state of Delaware and the City of Concord in California. As of December 31, 2016, the Company owned 113 properties that had approximately 17.6 million net rentable square feet.