This is a list of states in the Holy Roman Empire beginning with the letter H. Some historians mark the beginning of the Empire as 800, with the coronation of Frankish king Charlemagne ("Charles the Great").

Name Type Imperial circle Imperial diet History Haag HRE County Bav SC 10th Century: Formed Habsburg County 1040: Formed Habsburg-Laufenburg County 1232: Formed: Partitioned from Habsburg Habsburg-Laufenburg-Alt-Rapperswil County Habsburg-Laufenburg-Laufenburg County Habsburg-Laufenburg-Neu-Rapperswil County Hadeln "Farmer Republic" 1210 - 1852 Hagenau "Landvogtei" Formation date unknown Haguenau (Hagenau) Imperial Free City Upp Rhen RH 12th Century: Formed Hainaut County Burg 900: Formed Halberstadt Low Saxsee below 804: Formed Halberstadt Principality Low Sax PR 1648: Formed: Secularised from Bp. of Halberstadt for Brandenburg Haldenstein Barony 1260: Formed: First mentioned Hallermund County Low Rhen WE 12th Century: Fief of Bishopric of Minden Hals 1280: County 11th century: Formed Hamburg Imperial City Low Sax RH 1189: Formed 1429: HRE County Upp Rhen WT 13th century: Formed Hanau-Babenhausen County Hanau-Lichtenberg County Upp Rhen WT 1480: Formed: Renamed from Hanau-Babenhausen Hanau-Münzenberg County Upp Rhen WT 1458: Formed: Partitioned from Hanau HRE Prince-Elector Low Sax EL 1692: Formed: Brunswick-Calenberg raised to Electorate Harburg Lordship : First mentioned Hardegg 1383: HRE County 12th Century: To the Counts of Plain Harmersbach Imperial Valley 1718: Formed: Free Imperial Valley 1628: HRE County (Personalist) SW 1628: Formed Lordship Upp Sax FR 12th Century: Fiefs of Thuringia Hauenstein County Formation date unknown Hausen Lordship?? Havelberg Bishopric Upp Sax EC 948: Formed Heggbach Abbacy Swab SP 1231: Formed HRE Lordship Upp Rhen WE 1192: Formed: Originally named Erlingshofen; built Heideck and assumed that name Heilbronn Imperial Free City Swab SW Heiligenberg County 1135: Counts of Linzgau assumed name Heiligenberg: Formed Heiligkreuztal Abbacy 1227: Formed: Founded as Wasserschapfen Abbey Heinsberg County County Swab SC 1113: Formed Helfenstein-Blaubeuren Lordship Swab 1356: Formed: Partitioned from Helfenstein Helfenstein-Gundelfingen Lordship Swab Helfenstein-Helfenstein Lordship 1200: Formed: Partitioned from Helfenstein Helfenstein-Sigmaringen Lordship 1200: Formed: Partitioned from Helfenstein Helfenstein-Spitzenberg Lordship Helfenstein-Wellheim Lordship Swab Helfenstein-Wiesensteig Lordship Swab 1356: Formed: Partitioned from Helfenstein Helmarshausen Abbacy 997: Formed Abbacy Henneberg Franc PR 1037: Counts then known as Babenburg: Formed Henneberg-Aschach Princely County Franc PR Henneberg-Bodenlauben (Botenlauben) County 1190: Formed: Partitioned from Henneberg Henneberg-Coburg County Henneberg-Coburg Princely County 1340: Formed: Partitioned from Henneberg-Schleusingen Henneberg-Hartenberg County 1262: Formed: Partitioned from Henneberg-Schleusingen Henneberg-Henneberg County Henneberg-Römhild Princely County Franc PR 1535: Formed: Partitioned from Henneberg-Aschach Henneberg-Schleusingen Princely County Franc PR 1245: Formed: Partitioned from Henneberg-Strauf Henneberg-Schwarza Princely County Franc PR 1535: Formed: Partitioned from Henneberg-Aschach Henneberg-Strauf County Herford Abbey Abbacy Low Rhen RP 800: Formed: Moved from Müdehorst to Herford Herford 1631: Free City Low Rhen RH Héricourt Lordship 12th Century: To Duchy of Burgundy Herrenzimmern Swab SC Herrstein Lordship Hersfeld Abbacy Upp Rhen EC 769: Formed Hesse County Upp Rhen PR 1247: Formed: Partitioned from Thuringia Hesse-Bingenheim Princely Landgraviate Upp Rhen PR 1458: Formed: Partitioned from Hesse Upp Rhen PR Hesse-Homburg Landgrave of Hesse, Prince of Hersfeld, Count of Katzenelnbogen, Dietz, Ziegenhain, Nidda, Schaumburg, Isenburg & Büdingen Princely Landgraviate 1596: Formed: Appanage created in Hesse-Darmstadt Hesse-Marburg Princely Landgraviate Upp Rhen PR 1458: Formed: Partitioned from Hesse Hesse-Rheinfels Princely Landgraviate Upp Rhen PR Hesse-Rheinfels Princely Landgraviate Hesse-Rheinfels-Rotenburg Princely Landgraviate Hesse-Rotenburg Princely Landgraviate Hesse-Wanfried Princely Landgraviate 1627: Formed: Appanage created in Hesse-Cassel Hildesheim Prince-Bishopric Low Sax EC 815: Formed Hildesheim Free City Low Sax EC Hillesheim Upp Rhen Originally Knights in Jülich Margraviate Hochstaden County 1074: Formed: First mentioned County 11th Century; branch of Calw Hohenberg HRE County Originally a title of the Counts of Zollern Hohenberg-Altensteig County 1355: Formed: Partitioned from Hohenburg-Wildberg Hohenberg-Bulach County 1355: Formed: Partitioned from Hohenburg-Wildberg Hohenberg-Nagold County 1260: Formed: Partitioned from Hohenberg Hohenberg-Rottenburg County 1260: Formed: Partitioned from Hohenberg Hohenberg-Wildberg County Swab SW 1453: Formed: Renamed from Ems Hohenems-Hohenems County Swab SW Hohenems-Vaduz County Swab SW 1646: Formed: Partitioned from Hohenems Hohenfels HRE Lordship 12th Century: Formed Hohengeroldseck Swab SC 1277: Formed: Partitioned from Geroldseck Hohenlohe Lordship Franc FR Lordship Hohenlohe-Möckmühl Lordship 1269: Formed: Partitioned from Hohenlohe-Uffenheim Hohenlohe-Neuenstein County Franc FR Franc FR 1699: Formed: Partitioned from Hohenlohe-Neuenstein-Langenburg Franc FR 1699: Formed: Partitioned from Hohenlohe-Neuenstein-Langenburg County Franc FR Franc FR 1610: Formed: Partitioned from Hohenlohe-Neuenstein County Franc FR 1610: Formed: Partitioned from Hohenlohe-Neuenstein Franc FR 1677: Formed: Partitioned from Hohenlohe-Neuenstein-Neuenstein County Franc FR 1610: Formed: Partitioned from Hohenlohe-Neuenstein Hohenlohe-Röltingen Lordship Hohenlohe-Uffenheim Lordship Hohenlohe-Waldenburg County Franc FR Franc FR 1688: Formed: Partitioned from Hohenlohe-Waldenburg-Schillingsfürst Franc FR County Franc FR Franc FR Franc FR Hohenlohe-Weikersheim Franc FR Hohenlohe-Wernsberg Lordship Hohensax Lordship Hohenzollern County Hohenzollern-Haigerloch Swab SC Swab PR Hohenzollern-Hohenberg County Swab SC Hohenzollern-Hohenzollern County Swab SC Hohenzollern-Öttingen County Hohenzollern-Schwarzgraf Line County Swab SC Hohenzollern-Strasbourg Line County Hohnstein (Hohenstein) County Hohnstein-Heldrungen County Hohnstein-Heringen County Hohnstein-Heringen-Kelbra County Hohnstein-Kelbra County Hohnstein-Klettenberg County Hohnstein-Lohra-Klettenberg County Upp Sax WT Hohnstein-Sondershausen County Hohnstein-Vierraden and Schwedt County Holland Duchy Low Sax PR Holstein-Gottorp Duchy Holstein-Kiel County Holstein-Plön County Holstein-Rendsburg Low Rhen WE Holstein-Schaumburg-Gemen County Low Rhen WE Holstein-Segeberg County Holzappel (Holzapfel) 1641: HRE County Low Rhen WE Homburg Territory Homburg Lordship Horne (Hoorn) Low Rhen Horneck Commandery Hörstgen (Horstgen) Lordship Höwen Lordship Hoya County 1204: Formed Hoya and Bruchhausen (Nienburg) County Low Rhen WE Hülchrath (Hilkerode) County 12th Century: To Saffenburg as fief of Electorate of Cologne

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