Sao Tome and Principe
Western Africa, islands in the Gulf of Guinea,
straddling the Equator, west of Gabon
Saudi Arabia
Middle East, bordering the Persian Gulf and the Red
Sea, north of Yemen
Senegal
Western Africa, bordering the North Atlantic Ocean, between
Guinea-Bissau and Mauritania
Serbia
Southeastern Europe, between Macedonia and Hungary
Seychelles
archipelago in the Indian Ocean, northeast of Madagascar
Sierra Leone
Western Africa, bordering the North Atlantic Ocean,
between Guinea and Liberia
Singapore
Southeastern Asia, islands between Malaysia and Indonesia
Slovakia
Central Europe, south of Poland
Slovenia
Central Europe, eastern Alps bordering the Adriatic Sea,
between Austria and Croatia
Solomon Islands
Oceania, group of islands in the South Pacific
Ocean, east of Papua New Guinea