Government Properties Income Trust (GOV) is a real estate investment trust (REIT). As of December 31, 2011, GOV owned 71 properties located in 29 states and the District of Columbia containing approximately 9.0 million rentable square feet, of which 68.2% was leased to the United States Government, 17.5% was leased to eight state governments, and 2.1% was leased to the United Nations, an international intergovernmental organization. As of December 31, 2011, the United States Government, eight state governments and the United Nations combined were responsible for 91.9% of the Company's annualized rental income. As of December 31, 2011, 95.0% of its rentable square feet were leased. During the year ended December 31, 2011, it acquired 16 office properties located in 11 states. The Company's manager is Reit Management & Research LLC (RMR).