 On 1979.04.30 it was demoted as non-Metropolitan Archdiocese of Manfredonia / Sipontin(us) (Latin)

On 1986.09.30 it was renamed as Archdiocese of Manfredonia–Vieste / Sipontin(us)–Vestan(us) (Latin adjective), having gained territory from the suppressed Diocese of Vieste (but absorbing its title), and having lost territories, both to its Metropolitan, the Archdiocese of Foggia-Bovino, and to the Diocese of San Severo.On 2002.12.06 it was again renamed as Archdiocese of Manfredonia–Vieste–San Giovanni Rotondo / Sipontin(us)–Vestan(us)–Sancti Ioannis Rotundi (Latin).