The city has been part of Poland since 1945.
External Links
The official website of the city of Olsztynek/Tannenberg: http://olsztynek.com.pl/
... neurocutaneous[?] Angiomatosis encephalotrigeminal[?] Angiomatosis leptomeningeal capillary - venous[?] Angiomatosis systemic cystic Seip syndrome[?] ...