This province in the Emilia-Romagna region of Italy spreads over 1,858 km² and accommodates only one commune. Ravenna, the only commune in the province, is its capital city. It also holds the distinction of the second largest commune according to area in Italy. UNESCO has given this city the status of World Heritage Center. Neonian Baptistery, Mausoleum of Galla Placidia, Arian Baptistry Archiepiscopal Chapel, Basilica of Sant'Apollinare Nuovo, Mausoleum of Theoderic, Basilica of San Vitale, and Basilica of Sant' Apollinare in Classe are the famous historic Christian monuments in the city. The spring and fall months are the best time to visit Ravenna.