Sultanate :  (noun)

1: country or territory ruled by a sultan

ally, archduchy, archdukedom, body politic, buffer state, caliphate, captive nation, chieftaincy, chieftainry, city-state, colony, commonweal, commonwealth, country, county, czardom, domain, dominion, duchy, dukedom, earldom, emperorship, empery, empire, free city, grand duchy, imperialism, kaiserdom, kaisership, kingdom, kinghood, kingship, land, majesty, mandant, mandate, mandated territory, mandatee, mandatory, nation, nationality, polis, polity, possession, power, principality, principate, protectorate, province, puppet government, puppet regime, queenhood, queenship, rajaship, realm, regnancy, republic, royalty, satellite, seneschalty, settlement, sovereign nation, sovereignty, state, sultanship, superpower, territory, the crown, the throne, toparchia, toparchy,