=== ペルシア ===
ペルシャの伝承によると、''ディブ''は逆向きの生き物で、言われたことと反対のことをする。彼らは夜間に活動し、昼は寝ていることが多い。暗闇は彼らの力を増大させると言われている<ref name="Encyclopædia Iranica"/>。通常、''ディヴ''の接近は、気温の変化や空気中の鳥の臭いで兆候を感じる<ref name="Encyclopædia Iranica"/>。ディヴは変身したり、魔法を使ったりすることができる。また未婚の娘を捕まえて、無理やり結婚しようとすると言われている<ref name="Encyclopædia Iranica"/>。蛇や複数の頭を持つ竜の形をしたものがあり、その頭は殺された後でも再び成長する、という点でヒュドラーに匹敵する<ref>Reza Yousefvand ''Demonology & worship of Dives in Iranian local legend'' Assistant Professor, Payam Noor University, Department of history, Tehran. Iran Life Science Journal 2019</ref>。
Some have the form of a snake or a [[dragon]] with multiple heads, whose heads grow again, after slain, comparable to the [[Lernaean Hydra|Hydra]].<ref>Reza Yousefvand ''Demonology & worship of Dives in Iranian local legend'' Assistant Professor, Payam Noor University, Department of history, Tehran. Iran Life Science Journal 2019</ref> In his treatise about the supernatural ''Ahl-i Hava'' (people of the air), [[Ghulam Husayn Sa’idi]] discusses several folkloric beliefs about different types of supernatural creatures and demons. He describes the Div as tall creatures living far away either on islands or in the desert. With their magical powers, they could turn people into statues by touching them.<ref>Shamanism and Islam: Sufism, Healing Rituals and Spirits in the Muslim World. (2017). Vereinigtes Königreich: Bloomsbury Publishing.</ref><ref>Pedram Khosronejad ''THE PEOPLE OF THE AIR HEALING AND SPIRIT POSSESSION IN SOUTH OF IRAN '' In: Shamanism and Healing Rituals in Contemporary Islam and Sufism, T.Zarcone (ed.) 2011, I.B.Tauris</ref>
The ''divs'' are in constant battle with benevolent ''[[peri]]s'' (fairies).<ref>{{Cite book |last=Diez |first=Ernst |year=1941 |title=Glaube und welt des Islam |url=https://archive.org/details/GlaubeUndWeltDesIslam_718 |location=Stuttgart |publisher=W. Spemann Verlag |language=de |page=[https://archive.org/details/GlaubeUndWeltDesIslam_718/page/n71 64] |oclc=1141736963 |access-date=25 February 2020}}</ref><ref>{{Cite book |editor-last=Burton |editor-first=Sir Richard |year=2008 |orig-year=1887 |title=Arabian Nights, in 16 Volumes |url=https://books.google.com/books?id=gVwdD-oClN0C |volume=XIII: ''Supplemental Nights to the Book of a Thousand Nights and a Night'' |location=New York |publisher=Cosimo Classics |page=256 |isbn=9781605206035 |access-date=25 February 2020}}</ref> While the ''divs'' are usually perceived as male, the ''peris'' are often, but not necessarily, depicted as female.<ref>A History of Persian Literature