Sudan

Sili, Central Darfur → Silkhalaq, Eastern Darfur → Silo, Southern Darfur → Simama, Western Darfur → Sināda, Sennar → Sinayra, White Nile → Sineţāya, White Nile → Singa Locality, Sennar → Singa, Sennar → Singeir, Southern Kordofan → Singeiwa, Southern Darfur → Singerab, River Nile → Sinkat, Red Sea → Sinnayn, North Kordofan → Sinsin, Southern Darfur → Sirāj, North Kordofan → Sirba, Western Darfur → Sirḩān, Al Jazirah → Sirḩān, White Nile → Sirrī, Central Darfur →