archbishopric of magdeburg archdiocese of bremen area area codes in germany bishopric of halberstadt bishopric of hildesheim bishopric of ratzeburg bremen brick gothic calenberg central european summer time central european time city coat of arms county of blankenburg districts of germany electorate of hanover elevation geographic coordinate system germany goslar government greifswald grubenhagen hamburg henry the lion holstein holy roman empire landtag line of contact list of countries list of postal codes in germany lord mayor lower saxon circle ludwigslust max liebermann mecklenburg mecklenburg-schwerin mecklenburg-strelitz mecklenburg-vorpommern middle ages neoclassical architecture neubrandenburg nordhausen nordvorpommern nordwestmecklenburg obotrites ostvorpommern pomerania population population density porcelain prince-bishop principality regenstein rostock saxe-lauenburg schelfkirche schwerin castle schwerin cathedral schweriner see states of germany stralsund theocracy time zone uecker-randow urban districts of germany website wikimedia commons wismar