city, metropolis, urban center - a large and densely populated urban area; may include several independent administrative districts; "Ancient Troy was a great city"

port - a place (seaport or airport) where people and merchandise can enter or leave a country

Iran, Islamic Republic of Iran, Persia - a theocratic islamic republic in the Middle East in western Asia; Iran was the core of the ancient empire that was known as Persia until 1935; rich in oil; involved in state-sponsored terrorism