East Boston, nicknamed Eastie, is a neighborhood of Boston, Massachusetts, United States, which was annexed by the city of Boston in 1836. Neighboring communities include Winthrop, Revere, and Chelsea. It is separated from the Boston neighborhood of Charlestown and downtown Boston by Boston Harbor. The final outline of the East Boston, including Logan International Airport, was created in the 1940s by connecting five of the inner harbor islands using land fill.