- theculturetrip.com europe/poland/articles/best-…Take a trip through the capital of Poland's Lake District and enjoy a range of city life and rural charm in idyllic Olsztyn.
- hikersbay.com europe/poland/olsztyn…The most important sights of the city include the medieval Old Town and the Olsztyn Cathedral, which dates back more than 600 years.
- britannica.com place/OlsztynOlsztyn, city, capital of Warmińsko-Mazurskie województwo (province), northeastern Poland. It lies along the Łyna River in the Masurian lake district.
- http://maplandia.com poland/warminsko-mazurskie/olsztyn-…Google Local — Olsztyn map Welcome to the Olsztyn google satellite map! ... Olsztyn hotels map is available on the target page linked above.
- en-academic.com dic.nsf/enwiki/28683The history of the Castle in Olsztyn: The castle was built between 1346–1353 and by then it had one wing on the north-east side of the rectangular courtyard.
- eurob.org polen/olsztyn/?lang=enOlsztyn belonged to the dominion of the Warmian cathedral chapter in Frombork and was granted municipal rights in 1353 by the chapter.
- instagram.com miastoolsztyn/11K Followers, 2,090 Following, 1,305 Posts - Olsztyn (@miastoolsztyn) on Instagram: "Oficjalny profil miejski. #miastoolsztyn #visitolsztyn www.visit.olsztyn.eu...
- commons.wikimedia.org wiki/OlsztynPolski: Olsztyn [ˈɔlʃtɨn] (dawniej hist. niem. Allenstein, pol. Holstin) - miasto w Polsce, stolica województwa warmińsko-mazurskiego.
- wikijtr.icu wiki/OlsztynSlogan (lar): Olsztyn - Miasto Młode Duchem… (Olsztyn - ruhu genç bir şehir…) Olsztyn, Warmian-Masurian Voyvodalığı'nda yer almaktadır.
- themayor.eu en/poland/olsztynAllenstein (for the Poles Holstin and later Olstyn) received city rights in 1353. The principal and first mayor of Olsztyn was Johannes von Leysen.