The Caelian Hill (Latin Mons Caelius, Italian Celio) is one of the famous Seven Hills of Rome. Under reign of Tullus Hostilius, the entire population of Alba Longa was forcibly resettled on the Caelian Hill. According to a tradition recounted by Titus Livy, the hill received its name from Caelius Vibenna, either because he established a settlement there or because his friend Servius Tullius wished to honor him after his death. In Republican-era Rome the Caelian Hill was a fashionable residentia… (More on Caelian)