Thomas A. Carlson (eds.), "Jurjān" in The Beth Qaṭraye Gazetteer last modified January 10, 2020, https://bqgazetteer.bethmardutho.org/place/2972 Jurjān جرجان A city between Tabaristan and Khurasan. 37.232558 55.1454375 Attestation of name جرجان in the Kitāb al-buldān of Aḥmad ibn Abī Yaʿqūb al-Yaʿqūbī. https://bqgazetteer.bethmardutho.org/place/2972 http://syriaca.org/place/2972 https://pleiades.stoa.org/places/942281 https://en.wikipedia.org/wiki/Gorgan https://dbpedia.org/resource/Gorgan https://pleiades.stoa.org/places/942281Pleiades: A Gazetteer of Past PlacesRoger BagnallRichard TalbertTom ElliottLindsay Holmanet al. Kitāb al-buldān Aḥmad ibn Abī Yaʿqūb al-Yaʿqūbī 269