This is a list of states in the Holy Roman Empire beginning with the letter C:
| Name | Type | Imperial circle | Imperial diet | width=50% | History |
|---|---|---|---|---|---|
| Calvelage | County | n/a | n/a | 1072: First mentioned 1170: Renamed to Ravensberg | |
| Calw | County | n/a | n/a | 1075: First mentioned 1155: Acquired Löwenstein 1189: Side line Calw-Vaihingen founded 1150: Partitioned into Calw-Löwenstein and Calw-Calw | |
| Calw-Calw | County | n/a | n/a | 1150: Partitioned from Calw 1282: Extinct; to Tübingen | |
| Calw-Löwenstein | County | n/a | n/a | 1150: Partitioned from Calw 1277: Sold to Würzburg 1281: Sold to Austria 1283: To Schenkenberg who founded the County of Löwenstein | |
| Calw-Vaihingen | County | n/a | n/a | 1189: Founded by Godfrey of Calw after marrying heiress of Vaihingen 1364: Extinct; to Württemberg | |
| Cambrai | Bishopric 1559: Archbishopric | Low Rhen | n/a | 6th Century: Diocese established 1007: Acquired Cambrésis; imperial immediacy 1543: To Spain 1559: Raised to Archdiocese 1677: To France | |
| Cambrai | Imperial City | Low Rhen | n/a | 1227: Gained some autonomy from the Bishops 1543: To Spain 1677: To France | |
| Cammin (Kammin) | Bishopric | Upp Sax | see below | ||
| Cammin (Kammin) | Principality | Upp Sax | PR | 1648 1556: Secularized to Pomerania-Wolgast 1648: Secularised as Principality of Cammin to Brandenburg | |
| Cappenberg | County | n/a | n/a | 10th - 11th Century 1122: Rhenish possessions to Cappenberg Abbey and Ilbenstadt Abbey 1124: Swabian possessions to Swabia | |
| Carinthia (Kärnten) | Duchy | Aust | n/a | 889: Partitioned from Bavaria 976: from Margraviate to Duke 1286: To Gorizia-Tyrol 1335: To Austria 1803: Bench of Princes | |
| Carniola (Krain) | Duchy | Aust | n/a | 1040: Partitioned from Carinthia 1071: To Aquileia 1245: To Austria 1246: To Carinthia 1269: To Bohemia 1276: To Austria 1286: To Gorizia-Tyrol 1335: To Austria 1364: Margraviate to Duke 1803: Bench of Princes 1805-1806: To France | |
| Castell | 1202/5: County | Franc | FR | 1054: First mentioned 1266: Partitioned into Castell-Unterschloss and Castell-Oberschloss 1331: Reunited by Castell-Oberschloss 1546: Partitioned into Castell-Castell, Castell-Remlingen and Castell-Rüdenhausen | |
| Castell-Castell | County | Franc | FR | 1546: Partitioned from Castell 1577: Extinct; divided between Castell-Remlingen and Castell-Rüdenhausen 1668: Partitioned from Castell-Remlingen 1717: Extinct; to Castell-Remlingen 1718: Partitioned from Castell-Remlingen 1772: Renamed to Castell-Remlingen | |
| Castell-Oberschloss | County | n/a | n/a | 1266: Partitioned from Castell 1331: Renamed to Castell | |
| Castell-Rehweiler | County | Franc | FR | 1718: Partitioned from Castell-Remlingen 1772: Extinct; to Castell-Castell | |
| Castell-Remlingen | County | Franc | FR | 1546: Partitioned from Castell 1595: Extinct; to Castell-Rüdenhausen 1597: Partitioned from Castell-Rüdenhausen 1668: Partitioned into itself and Castell-Castell 1718: Partitioned into itself, Castell-Castell, and Castell-Rehweiler 1762: Extinct; to Castell-Castell 1772: Renamed from Castell-Castell 1803: Partitioned into itself and Castell-Rüdenhausen 1806: To Bavaria | |
| Castell-Rüdenhausen | County | Franc | FR | 1546: Partitioned from Castell 1597: Partitioned into Castell-Remlingen and itself 1803: Extinct; to Castell-Remlingen 1803: Partitioned from Castell-Remlingen 1806: To Bavaria | |
| Castell-Unterschloss | County | n/a | n/a | 1266: Partitioned from Castell 1331: Extinct; to Castell-Oberschloss | |
| Celje See: Cilli | |||||
| Chablais | County 1310: Duchy | n/a | n/a | 1018: To St Maurice's Abbey 1035: Half to Savoy 1128: All to Savoy 1475: Half to Bern 1536: All to Bern 1569: All to Savoy 1792: To France | |
| Chiemsee | Bishopric | Bav | EC | 1215: Diocese established; Held administrative functions in the Archbishopric of Salzburg Initially held votes in the Bavarian Circle and the Bench of Spiritual Princes 1803: Secular functions abolished 1808: Diocese abolished | |
| Chur | Bishopric | Aust | EC | 451: First mentioned 958: Acquired territorial rights 1798: To the Helvetic Republic | |
| Cilli (Celje; Cilly) | Lordship 1341: County 1436: Princely County | n/a | n/a | 1123: First mentioned; ministerialis of Styria 1322: Acquired Heunburg as fief of Carinthia 1333: Acquired Celje 1341: HRE Count 1397: Acquired Varaždin and Zagorje as fief of Hungary 1418: Acquired Ortenburg 1436: HRE Princely Count 1456: Extinct; to Austria | |
| Cleves (Kleve) | County | n/a | n/a | 1092: First mentioned; emerged from the gau county of Hamaland 1255: Partitioned into itself and Kranenburg 1275: Partitioned into itself and Hülchrath 1290: Acquired Duisburg 1368: Extinct; to Mark 1394: Partitioned from Mark 1397: Acquired Ravenstein 1398: Acquired Mark; renamed to Cleves-Marck 1521: To Jülich-Cleves-Berg 1609: War of the Jülich Succession 1614: To Brandenburg 1795: To France 1815: To Prussia | |
| Cleves-Marck (Kleve-Mark) | County 1417: Duchy | Low Rhen | PR | 1398: Renamed from Cleves after acquisition of Mark 1417: HRE Duke 1450: Appanage Cleves-Ravenstein established 1491: Side line Cleves-Nevers founded in France 1521: Extinct; to Jülich-Berg who formed Jülich-Cleves-Berg | |
| Cleves-Ravenstein | Barony | n/a | n/a | 1450: Appanage created in Cleves-Marck 1528: Extinct; appanage abolished | |
| Colloredo | Lordship 1588: Barony 1724: County 1763: Principality | Swab | SC | 1026: First mentioned; in the service of the Emperor 1031: Invested with Mels as fief of Aquileia 1588: HRE Baron 1724: HRE Count 1741: Bench of Counts of Swabia (Personalist) 1763: HRE Prince 1780: Acquired Bohemian estates of Mansfeld 1788: Renamed to Colloredo-Mansfeld | |
| Colloredo-Mansfeld | Principality (personalist) | Swab | SC | 1788: Renamed from Colloredo 1803: Purchased a portion of Limpurg, and Rieneck 1806: Limpurg to Württemberg, Rieneck to Regensburg | |
| Colmar | Imperial City | Upp Rhen | RH | 1226: Free Imperial City 1679: To France | |
| Cologne (Köln) | Archbishopric 1356: Prince-Elector | El Rhin | EL | 313: Diocese first mentioned 814: Raised to Archdiocese 954: Acquired secular territory; HRE Prince of the Empire 1180: Acquired Westphalia and Angria; HRE Duke 1356: HRE Elector 1794: Left bank to France 1803: Secularised; Westphalia to Hesse-Darmstadt and Nassau-Orange-Fulda, Vest Recklinghausen to Arenberg | |
| Cologne (Köln) | Imperial City | Low Rhen | RH | 1288: Free Imperial City 1794: To France 1815: to Prussia | |
| Comburg | Abbacy 1488: Provostry | Franc | SC | 1078: Abbey established 13th Century?: Imperial immediacy 1484: Made fief of the Bishopric of Würzburg 1488: Converted into a Provostry 1583: Made fief of Württemberg 1803: Secularised | |
| Cornelimünster See: Kornelimünster | Abbacy | ||||
| Corvey (Korvey) | Abbacy 1792: Bishopric 1803: Principality | Low Rhen | EC | 877: Abbey established 1150: Imperial immediacy 1582: HRE Prince of the Empire 1792: Converted to a Bishopric 1803: To Nassau-Orange-Fulda 1807: To Westphalia 1815: To Prussia | |
| Cottbus | Lordship | n/a | n/a | 1199: Lords of Cottbus first mentioned 1445: Sold to Brandenburg 1807: To Saxony 1813: To Prussia | |
| Croÿ (Croy) | Lordship 1677: Principality 1767: Duchy | Low Rhen | PR | 12th Century: First mentioned 1590: Acquired Solre; fief of the Spanish Netherlands 1677: HRE Prince 1767: Duke in France 1803: Acquired Dülmen 1806: To Arenberg 1810: To France 1815: To Prussia | |
| Cuijk (Cuyk) | Lordship | n/a | n/a | 11th Century: First mentioned 1132: Side line Cuijk-Arnsberg founded 1400: Sold to Guelders 1492: Extinct | |
| Cuijk-Arnsberg | Lordship | n/a | n/a | 1132: Established when Godfrey I of Cuijk acquired Arnsberg by marriage 1166: Made fief of Cologne 1237: Side line Rietberg founded 1352: Ceded Fredeburg to Marck 1368: Sold to Cologne 1371: Extinct |