which city with the smallest population of all the members of the Council of Europe Chiesa di Sant'Andrea  located?
Chiesa di Sant'Andrea (Serravalle) Chiesa di Sant'Andrea (Serravalle) is a church located in Serravalle, San Marino. It was built in 1824 over the ancient walls of the former city. It belongs to the Roman Catholic Diocese of San Marino-Montefeltro. It was built in 1824. The church was dedicated to St. Andrew and the Virgin Mary.
Bologna Bologna ( ; ] ; Emilian: "Bulåggna" , ] ; ) is the capital and largest city of the Emilia-Romagna Region in Northern Italy. It is the seventh most populous city in Italy, located in the heart of a metropolitan area (officially recognised by the Italian government as a "città metropolitana") of about one million.