Explanation of the changes  There was revert war over GdanskDanzig Danzig Gdansk is a compromise which was supposed to stop such revert war ridiculous take a look on  article history It is article about PolishGerman painter yet the last  changes were edits changing Gdansk to Danzig and vice versa  Danzig is nt just German name Its also name by which still the city is known in English world although the fact probably will change in the future Therefore its reasonable to mention both names  There is no such case i believe with Frauenburg Its small city so there is no point in making alternative name too