Of 21 Mediterranean sovereign states, only three don't use the euro:
Northern Cyprus (TRNC) – Turkish lira (TRY); recognized only by Turkey; de facto state.
Spain, France, Monaco, Italy, Malta, Slovenia, Croatia, Greece, Cyprus, Syria, Lebanon, Israel, Palestine (PA areas), Egypt, Libya, Tunisia, Algeria, Morocco—plus EU microstates (Vatican, San Marino, Andorra, Montenegro* unilaterally).
*Montenegro & Kosovo use euro without EU agreement.