San Marino, officially the Republic of San Marino and also known as the Most Serene Republic of San Marino, is a European microstate and country enclaved by Italy. Located on the northeastern side of the Apennine Mountains, San Marino is the fifth-smallest country in the world and covers a land area of just over 61 km2, with a population of 33,562.
San Marino is a landlocked country; however, its northeastern end is within ten kilometers of the Italian city of Rimini on the Adriatic coast. The nearest airport is also in Italy. The country's capital city, the City of San Marino, is located atop Monte Titano, while its largest settlement is Dogana within the largest municipality of Serravalle. San Marino's official language is Italian.