Vatican
From BiblePortal Wikipedia
Webster's Dictionary [1]
(n.) A magnificent assemblage of buildings at Rome, near the church of St. Peter, including the pope's palace, a museum, a library, a famous chapel, etc.
Cyclopedia of Biblical, Theological and Ecclesiastical Literature [2]
Bibliography Information McClintock, John. Strong, James. Entry for 'Vatican'. Cyclopedia of Biblical, Theological and Ecclesiastical Literature. https://www.studylight.org/encyclopedias/eng/tce/v/vatican.html. Harper & Brothers. New York. 1870.