San Marino
San Marino is a microstate enclaved within central Italy, perched atop Monte Titano, and claims to be the world's oldest surviving sovereign state and constitutional republic.
San Marino is a microstate enclaved within central Italy, perched atop Monte Titano, and claims to be the world's oldest surviving sovereign state and constitutional republic.
Saudi Arabia covers most of the Arabian Peninsula, holds Islam's two holiest cities — Mecca and Medina — and possesses some of the world's largest petroleum reserves.
Senegal is the westernmost country in mainland Africa, with the cultural centre Dakar on a small Atlantic peninsula, the haunting slave history of Gorée Island, and a stable democratic tradition.
Serbia is a landlocked Balkan country at the confluence of the Sava and Danube rivers, with mountainous south, fertile northern Vojvodina plains, and a turbulent 20th-century history at the heart of former Yugoslavia.
Seychelles is a 115-island archipelago east of Africa in the Indian Ocean, famous for granitic island beaches, the giant Aldabra tortoise, and the rare double coco-de-mer palm.

Sierra Leone is a small West African nation on the Atlantic coast, with one of the world's largest natural harbours at Freetown, and a difficult civil-war history followed by stable peace.
Singapore is a tiny Southeast Asian island city-state at the tip of the Malay Peninsula, transformed since independence in 1965 from a British trading port into one of the world's wealthiest financial and shipping hubs.
Slovakia is a landlocked Central European country dominated by the Carpathian mountains, with Bratislava on the Danube and one of Europe's highest densities of medieval castles.
Slovenia is a small Alpine country between Italy, Austria, Hungary and Croatia, packed into a remarkably varied landscape that ranges from coastal Mediterranean to glacial Lake Bled and the Julian Alps.