Meyers Orts- und Verkehrs-Lexikon des Deutschen Reichs (Meyers Gazetteer), online edition, with GOV (genealogy.net) for post-1945 Polish equivalents · meyersgaz.org / gov.genealogy.net
Christburg 1) Christburg, Stuhm, Marienwerder, Westpreussen, Preussen
Meyers has two Christburg entries and both resolve to the same town in Kreis Stuhm, West Prussia. The stored pin 52.5352/13.4283 was in Berlin - a match on Christburger Strasse, not a settlement. Today Dzierzgon, Poland. Coordinate from Wikidata Q551422.