Name = Guam Abbr = GU Cap. = Hagatna Pop. (2000) = 154,805 Pop. (2010) = 178,430 Motto = Guahan i tano' chamorro (Land of the chamorros) Flower = Puti Tai Nobio Bird = Ko'ko or Guam rail Tree = Ifit tree Web = www.guam.gov Land Area = 209 sq.mi. Highest Point = Mount Lamlam (1,332ft.) Lowest Point = Pacific Ocean (Sea Level) Area Code(s) = 671