Federation of Arab Republics
A short-lived political union (1972–1977) of Egypt, Syria, and Libya. Used in historical contexts.
The Federation of Arab Republics was established in 1972 but did not last long.
From Arabic 'Ittiḥād al-Jumhūrīyāt al-‘Arabīyah', translated into Japanese as アラブ共和国連邦.