Individual #Aden  chief port of Yemen; located on the Gulf of Aden; its strategic location have made it a major trading center of southern Arabia since ancient times
  part of:  #Yemen
  type:  #city__metropolis__urban_center__urbancenter  a large and densely populated urban area; may include several independent administrative districts; "Ancient Troy was a great city"
  type:  #port  a place (seaport or airport) where people and merchandise can enter or leave a country

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