Capital with S
- Capital of Sweden; definitely fits the S theme. 
- National capital of South Korea. Solid S choice. 
- City-state capital of Singapore itself. S-tastic! 
- Capital of Chile (Santiago de Chile). Great S pick. 
- State capital of California, USA. Starts with S. 
- National capital of Bulgaria. Simple and spot-on. 
- State capital of New South Wales, Australia. 
- National capital of Costa Rica (often San José). 
- State capital of Utah, USA. Strong S entry. 
- National capital of Bosnia and Herzegovina. 
- Capital city of San Marino (same name). 
- State capital of Oregon, USA. Nice S pick. 
- National capital of El Salvador. Starts with S. 
- State capital of Illinois, USA. Good S answer. 
- Sidney
- Sweden
- San Juan
- Skopje
- Santiago de Chile
- Srinagar
- Sophia
- Singapore city
- Santo Domingo
- sun
- Sucre
- São Paulo
- state
- Seville
- Sanaa
- Suva
- Stalingrad
- Selma
- Santa Fe
- Salzburg
- Salvador
- Saint Paul
- Saint Lucia
- South America
- Slovenia
- Scarborough
- Sana’a
- Sana
- Saskatchewan
The words in the list Capital with S come from players of the word game City, Country, River.