Samoa
Oceania, group of islands in the South Pacific Ocean, about
half way between Hawaii and New Zealand

San Marino
Southern Europe, an enclave in central Italy

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