Home›Building and structure articles needing translation from Serbian Wikipedia›Festung Nis🌐DeutschEnglishDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsTürkçeРусскийไทย中文日本語EntityQ1907852· pop 15· linked from 144 articlesFestung NisAlso known as tvrdjava, Strength of Nišfortress in Nis, SerbiaWikidata factsOfficial websiteniskatvrdjava.comImageNiš Fortress, Niš, Serbia.jpgShow 2 more factsCommons categoryNiš Fortresspostal code18000Sources (3)wikidata.orggu.ni.rsweb.archive.orgvia Wikidata · CC0On the mapAvailable in 15 languagesEspañolFrançais中文РусскийPortuguêsItalianoBulgarianCzechNederlandsPolskiSerbianConnectionsfortificationEntitylist of fortifications in SerbiaEntityCategoriesBuilding and structure articles needing translation from Serbian WikipediaBuildings and structures in NišCultural Monuments of Great Importance (Serbia)Culture in NišForts in SerbiaOttoman architecture in SerbiaTourism in Serbia