List of states in the Holy Roman Empire (S) List of states in the Holy Roman Empire (S) List of states in the Holy Roman Empire (S)

| Name_ | Type_ | Circle | Bench | Formed | Notes_ |
|---|---|---|---|---|---|
| Selz | Imperial Abbey | — | — | 991: Founded; , 992: Reichsunmittelbar | 1481: Mediatised to the Electorate of the Palatinate; , 1803: Secularised |
| Sickingen | County | Swab |  |  |  |
| Siebenbürgen (Transylvania) | Principality |  |  |  |  |
| Siegburg | RA |  |  |  |  |
| Sigmaringen |  |  |  | 1250 | 900s: Sigmaringen castle built , 1077: 1st mention of Sigimaringin , ?-1253: To Counts of Peutengau-Hirschberg , 1270: To Counts of Montfort , 1290: Sold to Austria , 1325: To Counts of Wurttemberg , 1362: To Counts of Werdenberg , 1534: To Counts of Hohenzollern |
| Sinzendorf , HRE Prince of Sinzendorf & Thannhausen, Burgrave of Winterrieden, Baron of Ernstbrunn | 1648: HRE Counts , 1803: HRE Princes |  |  |  | 1610: HRE Baron of Ernstbrunn , 1653: immediate Burgraves of Rheineck , 1803: immediate Burgraves of Winterrieden |
| Sinzendorf-Ernstbrunn |  |  |  |  | Acquired Rheineck |