Fadak (Larabci فدك) wani yanki ne na lambu a cikin Khaybar(خيبر), wani yanki a arewacin Arebia ; yanzu ta zama kasar Saudiyya . Ya kasance kusan 140 kilometres (87 mi) daga Madina, Fadak an san ta da rijiyoyin ruwa, dabino, da aiyukan hannu. Lokacin da musulmai suka ci mutanen Khaibara a yaƙin Khaybar ; 'Fadak' yana daga cikin falalar da aka yiwa annabin musulunci Muhammad . An ce Fadak ya zama abin da wasu gungun Musulmi suka yi saɓani a tsakanin Fatimah da khalifa Abubakar bayan mutuwar Annabi Muhammad.[ana buƙatar hujja] A cikin ƙarni na 7, yahudawa Larabawa ne suka mamaye gandun Khaybar, waɗanda suka yi rayuwar itacen dabino . Wasu abubuwa da musulmai suka gano a cikin shakkun a Khabar - injin ingila, da bales 20 na Yaman, da alkyabba 500 - suna nuni zuwa ga fatauci mai tsanani da yahudawa ke yi. Ruwa ya kasu zuwa yankuna uku: al-Natat, al-Shiqq الشِّق, da al-Katiba الكتيبة, wataƙila an raba su da wasu abubuwa na ɓacin rai, kamar su hamada, kwararar ruwa, da fadama.