which city with the smallest population of all the members of the Council of Europe Chiesa di Sant'Andrea  located?
San Marino San Marino ( ; ] ), officially the Republic of San Marino (Italian: "Repubblica di San Marino" ), also known as the Most Serene Republic of San Marino (Italian: "Serenissima Repubblica di San Marino" ), is an enclaved microstate surrounded by Italy, situated on the Italian Peninsula on the northeastern side of the Apennine Mountains. Its size is just over 61 sqkm , with a population of 33,562. Its capital is the City of San Marino and its largest city is Serravalle. San Marino has the smallest population of all the members of the Council of Europe.
Senarica Senarica is a village in the Abruzzo region of central Italy. With a population of fewer than 300 people, Senarica was an independent republic for about four centuries until the end of the eighteenth century. It was the smallest state to maintain an independent status for that long, although now it is a "frazione" of the "comune" of Crognaleto.