Santo Stefano degli Ungheresi
Rome, Vatican City · built 801
Santo Stefano degli Ungheresi (also San Stefanino and Santo Stefano degli Unni) was the church of the Hungarians in Rome. Located next to the Vatican, the old church was pulled down in 1778, to make room for an extension of St. Peter's Basilica.
Church data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).