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.
Valletta Valletta ( ; ] ) is the capital city of Malta, colloquially known as Il-Belt (] ; lit. "The City") in Maltese. Geographically, it is located in the South Eastern Region, in the central-eastern portion of the main island of Malta having its western coast with access to the Marsamxett Harbour and its eastern coast in the Grand Harbour. The historical city has a population of 6,444 (as of March 2014), while the metropolitan area around it has a population of 393,938. Valletta is the southernmost capital of Europe and the second southernmost capital of the European Union after Nicosia.