albis amber road ancient rome baltic sea barycz bavarian geographer bay of pomerania berlin brandenburg brzeg brzeg dolny bydgoszcz cedynia central europe classical latin czech republic czech language dagome iudex dam distributary dziwna english language europe expulsion of germans after world war ii gartz geographic coordinate system german language germania germany gryfino havel hohensaaten hungarian language ina river jelcz-laskowice kilometre krapkowice lassan list of rivers of germany list of rivers of poland lower silesian voivodeship lubusz voivodeship lusatian neisse mecklenburg-vorpommern medieval latin mieszko i of poland mouth nowe warpno oda von haldensleben oder-neisse line olza river opava river opole opole voivodeship ostrava ostravice river peene poland polish language prague pyrzyce river roman empire ruda schwedt second silesia silesian voivodeship silesians slovak language spree szczecin szczecin lagoon szlichtyngowa usedom vierraden warta west pomeranian voivodeship western pomerania widawa wikimedia commons wolgast wolin world war ii zimnica