what is gtmo
Answer Wiki. United States Naval Station Guantanamo Bay (also called Gitmo or GTMO) is located on 45 square miles (120 km2) of land and water at GuantÃ¡namo Bay, Cuba which the United States leased for use as a coaling (fueling) station following the Cuban-American Treaty of 1903. The base is located on the shore of GuantÃ¡namo Bay at the southeastern end of Cuba.