A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z
S
| Country name | Code | Capital | Area (km2) | Population |
|---|---|---|---|---|
| Saint Barthélemy | BL | Gustavia | 21 | 8,450 |
| Saint Helena, Ascension and Tristan Da Cunha | SH | Jamestown | 410 | 7,460 |
| Saint Kitts and Nevis | KN | Basseterre | 261 | 49,898 |
| Saint Lucia | LC | Castries | 616 | 160,922 |
| Saint Martin (French Part) | MF | Marigot | 53 | 35,925 |
| Saint Pierre and Miquelon | PM | Saint-Pierre | 242 | 7,012 |
| Saint Vincent and the Grenadines | VC | Kingstown | 389 | 104,217 |
| Samoa | WS | Apia | 2,944 | 192,001 |
| San Marino | SM | San Marino | 61 | 31,477 |
| Sao Tome and Principe | ST | Sao Tome | 1,001 | 175,808 |
| Saudi Arabia | SA | Riyadh | 1,960,582 | 25,731,776 |
| Senegal | SN | Dakar | 196,190 | 12,323,252 |
| Serbia | RS | Belgrade | 88,361 | 7,344,847 |
| Seychelles | SC | Victoria | 455 | 88,340 |
| Sierra Leone | SL | Freetown | 71,740 | 5,245,695 |
| Singapore | SG | Singapur | 693 | 4,701,069 |
| Sint Maarten (Dutch Part) | SX | Philipsburg | 34 | 37,429 |
| Slovakia | SK | Bratislava | 48,845 | 5,455,000 |
| Slovenia | SI | Ljubljana | 20,273 | 2,007,000 |
| Solomon Islands | SB | Honiara | 28,450 | 559,198 |
| Somalia | SO | Mogadishu | 637,657 | 10,112,453 |
| South Africa | ZA | Pretoria | 1,219,912 | 49,000,000 |
| South Georgia and the South Sandwich Islands | GS | Grytviken | 3,903 | 30 |
| South Sudan | SS | Juba | 644,329 | 8,260,490 |
| Spain | ES | Madrid | 504,782 | 46,505,963 |
| Sri Lanka | LK | Colombo | 65,610 | 21,513,990 |
| Sudan | SD | Khartoum | 1,861,484 | 35,000,000 |
| Suriname | SR | Paramaribo | 163,270 | 492,829 |
| Svalbard and Jan Mayen | SJ | Longyearbyen | 62,049 | 2,550 |
| Swaziland | SZ | Mbabane | 17,363 | 1,354,051 |
| Sweden | SE | Stockholm | 449,964 | 9,555,893 |
| Switzerland | CH | Berne | 41,290 | 7,581,000 |
| Syrian Arab Republic | SY | Damascus | 185,180 | 22,198,110 |