| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Saiamcototo | city | Cacheu | Guinea-Bissau | 12.4266667 | -15.64 | 45 | 10276 |
| Saiamcutoto | city | Cacheu | Guinea-Bissau | 12.4141667 | -15.6466667 | 160 | 6864 |
| Saiamcôtoto | city | Cacheu | Guinea-Bissau | 12.4266667 | -15.64 | 45 | 10276 |
| Saian | city | Cacheu | Guinea-Bissau | 12.4266667 | -15.64 | 45 | 10276 |
| Saint Domingos | city | Cacheu | Guinea-Bissau | 12.4019444 | -16.2005556 | 101 | 4669 |
| Saint Jorge | city | Cacheu | Guinea-Bissau | 12.3830556 | -16.1216667 | 95 | 3913 |
| Samogi | city | Cacheu | Guinea-Bissau | 12.3319444 | -15.6775 | 114 | 6032 |
| San Domingo | city | Cacheu | Guinea-Bissau | 12.4019444 | -16.2005556 | 101 | 4669 |
| San Domingos | city | Cacheu | Guinea-Bissau | 12.4019444 | -16.2005556 | 101 | 4669 |
| Sancatuto | city | Cacheu | Guinea-Bissau | 12.3308333 | -16.4402778 | 88 | 3517 |
| Sancoma | city | Cacheu | Guinea-Bissau | 12.4191667 | -15.8305556 | 111 | 10367 |
| Sano | city | Cacheu | Guinea-Bissau | 12.4383333 | -15.6444444 | 154 | 10276 |
| Santa Maria | city | Cacheu | Guinea-Bissau | 12.3275 | -15.6916667 | 6 | 6032 |
| Santarem | city | Cacheu | Guinea-Bissau | 12.1769444 | -15.69 | 91 | 6154 |
| Santarém | city | Cacheu | Guinea-Bissau | 12.1769444 | -15.69 | 91 | 6154 |
| Sanu | city | Cacheu | Guinea-Bissau | 12.4383333 | -15.6444444 | 154 | 10276 |
| Sanú | city | Cacheu | Guinea-Bissau | 12.4383333 | -15.6444444 | 154 | 10276 |
| Sao Domingos | city | Cacheu | Guinea-Bissau | 12.4019444 | -16.2005556 | 101 | 4669 |
| Sao Jorge | city | Cacheu | Guinea-Bissau | 12.3830556 | -16.1216667 | 95 | 3913 |
| Sao Vicente | city | Cacheu | Guinea-Bissau | 12.2344444 | -15.7641667 | 6 | 5652 |
| Sebanda | city | Cacheu | Guinea-Bissau | 12.2275 | -15.8822222 | 108 | 5300 |
| Secote | city | Cacheu | Guinea-Bissau | 12.3733333 | -15.9758333 | 127 | 4824 |
| Sedengal | city | Cacheu | Guinea-Bissau | 12.3975 | -15.925 | 65 | 8767 |
| Sedimenta | city | Cacheu | Guinea-Bissau | 12.4272222 | -15.4944444 | 13 | 4198 |
| Senquerem | city | Cacheu | Guinea-Bissau | 12.4625 | -15.5541667 | 150 | 10607 |
| Sente | city | Cacheu | Guinea-Bissau | 12.1488889 | -15.8722222 | 108 | 5902 |
| Serume | city | Cacheu | Guinea-Bissau | 12.0538889 | -15.7077778 | 98 | 5457 |
| Sibana | city | Cacheu | Guinea-Bissau | 12.3791667 | -15.8055556 | 13 | 6812 |
| Sibane | city | Cacheu | Guinea-Bissau | 12.3791667 | -15.8055556 | 13 | 6812 |
| Sincha Mamadu | city | Cacheu | Guinea-Bissau | 12.4002778 | -15.6672222 | 160 | 7425 |
| Sinchã Mamadu | city | Cacheu | Guinea-Bissau | 12.4002778 | -15.6672222 | 160 | 7425 |
| Sindina | city | Cacheu | Guinea-Bissau | 12.4658333 | -15.5088889 | 137 | 8578 |
| Sonco | city | Cacheu | Guinea-Bissau | 12.4052778 | -16.1325 | 124 | 4190 |
| Soukoudiak | city | Cacheu | Guinea-Bissau | 12.3497222 | -16.6519444 | 91 | 3891 |
| Sucujaque | city | Cacheu | Guinea-Bissau | 12.3497222 | -16.6519444 | 91 | 3891 |
| Sueujaque | city | Cacheu | Guinea-Bissau | 12.3497222 | -16.6519444 | 91 | 3891 |
| Sukudiac | city | Cacheu | Guinea-Bissau | 12.3497222 | -16.6519444 | 91 | 3891 |
| Suranse | city | Cacheu | Guinea-Bissau | 12.3994444 | -15.6994444 | 22 | 7425 |
| Susana | city | Cacheu | Guinea-Bissau | 12.3063889 | -16.4744444 | 111 | 3541 |
| Suxana | city | Cacheu | Guinea-Bissau | 12.3063889 | -16.4744444 | 111 | 3541 |
| Suzana | city | Cacheu | Guinea-Bissau | 12.3063889 | -16.4744444 | 111 | 3541 |
| São Domingos | city | Cacheu | Guinea-Bissau | 12.4019444 | -16.2005556 | 101 | 4669 |
| São Jorge | city | Cacheu | Guinea-Bissau | 12.3830556 | -16.1216667 | 95 | 3913 |
| São Vicente | city | Cacheu | Guinea-Bissau | 12.2344444 | -15.7641667 | 6 | 5652 |
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