Individual #Rostov_na_Donu__Rostov__Rostov_on_Don  a seaport on the Don River near the Sea of Azov in the European part of Russia
  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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