San Marino, officially the Republic of San Marino and also known as the Most Serene Republic of San Marino, is a European microstate and enclave within Italy. Located on the northeastern side of the Apennine Mountains, it is the fifth-smallest country in the world, with a land area of just over 61 km2 and a population of 33,660 as of 2022.

Italy, officially the Italian Republic, is a country in Southern and Western Europe. It is located on a peninsula that extends into the middle of the Mediterranean Sea, with the Alps on its northern land border, as well as several islands, notably Sicily and Sardinia. Italy shares its borders with France, Switzerland, Austria, Slovenia and two enclaves: Vatican City and San Marino. Its territory also includes Campione and the Pelagie Islands. It is the tenth-largest country by land area in the European continent, covering an area of 301,340 km2 (116,350 sq mi), and the third-most populous member state of the European Union, with a population of nearly 60 million. Its capital and largest city is Rome; other major urban areas include Milan, Lombardy, Naples, Turin, Florence, and Venice.