Masarautar Adamawa (German; French: Adamaoua) jihar gargajiya ce da ke Fombina, yankin da yanzu ya dace da yan kunan jihar Adamawa da jihar Taraba a Kasar Najeriya, kuma a baya ma a lardunan Arewa uku na Kamaru (Far North, North, da Adamawa), gami da minorananan sassa na Chadi da Jamhuriyar Afirka ta Tsakiya. Modibo Adama, kwamandan Sheikh Usman dan Fodio, mutumin da ya fara jihadin Fulani a shekara ta 1809 ne ya kafa ta. An motsa babban birnin sau da yawa har sai da ta zauna a Yola, Nijeriya a gefen Kogin Benuwai a Nijeriya a kusa da shekara ta 1841. A lokacin mutuwar Adama masarautar sa ta game wasu sassan Najeriya ta zamani da kuma Arewacin Kamaru. Yana daga cikin fasaha a zamanin Khalifanci na Sakkwato, kuma dole ne ta jinjina wa shugabannin da ke Sakkwato. Fula ta fara zama a yankin a cikin karni na 14. Masarautar Adamawa karni na goma sha tara ta kasance a kudu da Tafkin Chadi, da kuma gabashin kasar Hausa, a tsakanin lattoci 6 da 11 na Arewacin, da kuma masu tsawon 10 da 14 na Gabas.