- commons.wikimedia.org wiki/Category:Orsk_FortressOrsk, Orsk Urban Okrug, Orenburg Oblast, Russia. ... Orsk Local History Museum 03.jpg 6,000 × 4,000; 11.28 MB.
- tr.wiki7.org wiki/Орская_крепостьOrsk kalesi , Rus İmparatorluğu tarafından Ağustos 1735'te Or Nehri'nin Ural Nehri ile birleştiği yerde kurulmuş bir kaledir . Şu anda - Orsk şehri .
- tr.2markers.com 508798Museum Shevchenko in Orsk fortress — bulunan yerel cazibe Ulitsa Shevchenko, 33, Orsk, Orenburg Oblast, 462400 ve kategorisine ait — museum.
- travopo.com travel-guides/russia/orsk/1. Explore Orsk Fortress: Visit the historic Orsk Fortress, which dates back to the 18th century.
- OpenTripMap.com en/card/Q12136423Plan of the Orsk fortress by Unknown authorUnknown author.
- russiatrek.org orsk-cityThe population of Orsk is about 223,300 (2022), the area - 621 sq. km. ... In 1861, the fortress was abolished. In 1865, Orsk became a town.
- en.wikipedia.org OrskOrsk (Russian: Орск) is the second largest city in Orenburg Oblast, Russia, located on the steppe about 100 kilometers (62 mi) southeast of the southern tip of the Ural Mountains.
- ar.culture.ru en/subject/maket-orskaya-krepostGerman traveler and Russian academic Pallas stayed at the Orsk Fortress on 13 (24) July 1769.
- ermakvagus.com Europe/Russia/orsk.htmlIn 1837, while traveling across Russia, the Orsk fortress was visited by Tsarevich Alexander Nikolaevich (the future Tsar Alexander II).
- britannica.com place/OrskIt was founded in 1735 as the fortress of Orenburg, which was moved downriver in 1743. Orsk is now a major industrial centre, with a large oil.