Tunisia UK /tjuːˈnɪzi.ə/US /tuˈni.ʒə/ noun4 •A country in North Africa. Capital: Tunis. •The Republic of Tunisia, since 1956. •(historical) Ottoman Tunisia; the Eyalet of Tunis, from 1534 to 1881. •(historical) French protectorate of Tunisia, from 1881 to 1956.