This is a list of states in the Holy Roman Empire beginning with the letter H.
| 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 [a] | Burg | — | 900: Formed 
 | 
|  Halberstadt | 
 | Low Sax | see below | 804: Formed 
 | 
|  Halberstadt | Principality | Low Sax | PR | 1648: Formed: Secularized from Bp. of Halberstadt for Brandenburg 
 | 
|  Haldenstein | Barony | — | — | 1260: Formed: First mentioned 
 | 
| 
 | [ data missing ] | [ data missing ] | [ data missing ] | [ data missing ] | 
|  Hallermund | County | Low Rhen | WE | 12th Century: Fief of Bishopric of Minden 
 | 
|  Hals | 1280: County | [ data missing ] | [ data missing ] | 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 | — | — | c. 1100: 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 | ?? | [ data missing ] | 
 | 
|  | 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 | [ data missing ] | [ data missing ] | [ data missing ] | |
|  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 | [ data missing ] | [ data missing ] | [ data missing ] | 
|  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 | [ data missing ] | [ data missing ] | [ data missing ] | 
|  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 | [ data missing ] | [ data missing ] | [ data missing ] | |
|  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 | [ data missing ] | [ data missing ] | 
 | 
|  Hohenzollern | County | [ data missing ] | [ data missing ] | 
 | 
|  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 | 
 | [ data missing ] | [ data missing ] | 
 | 
| 
 | 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 | [ data missing ] | [ data missing ] | 
 | 
|  Höwen | Lordship | [ data missing ] | [ data missing ] | [ data missing ] | 
|  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 
 |