| Name | Type | Circle | Bench | Formed | Notes |
| Namur | County Margaviate | | | | 1512: Burgundian Circle |
Nassau Duke of Nassau, Count Palatine of the Rhine, Count of Sayn, Königstein, Katzenelnbogen & Dietz, Burgrave of Hammerstein, Lord of Mahlberg, Wiesbaden, Idstein, Merenberg, Limburg & Eppstein | 1159: County 1366: Princely County 1737: Principality 1806: Duchy | n/a | | 1160 | 915: Nassau town founded 1125: Nassau castle built 1255: Division between Ottonian and Walramian branches and thereafter underwent numerous further partitions 1515: Counts gain title of Prince of Orange 1866: Annexed by Prussia |
| Nassau-Diez | | | | | 1654: HRE Council of Princes |
| Nassau-Dillenburg | | | | 1250 | 1303: Division into Nassau-Siegen and Nassau-Hadamar 1334: Nassau-Dillenburg reunited 1654: HRE Council of Princes |
| Nassau-Hadamar | | | | | 1654: HRE Council of Princes |
Nassau-Orange Prince of Orange and Nassau, Count of Katzenelnbogen, Vianden, Dietz, Lingen, Mörs, Buren, Leerdam, etc. Marquis of the Vere en Vlissingen, Lord and Baron of Breda, the City of Grave and Lands of Cuycq, Diest, Grimbergen, Herstal, Cranendoncq, Warneston, Arlay, Noseroy, St. Vith, Daesburgh, Polanen, Willemstadt, Niervaert, Ysselsteyn, St. Maertensdijck, Steenbergen, Geertruydenberge, Turenhout, Zevenbergen, of the Upper and Lower Swaluwen, Naeltwijck, Soest, Baren, ter Eem, Immenes, &c. Hereditaty Burgrave of Antwerp and Besançon, Hereditaty Marshall of Holland, Governor and Hereditary Stadholder of Gelderland and County of Zutphen, Holland, Zeeland, West-Frisia, Utrecht and Over-Yissel, and Land of Drenthe, Hereditary Captain-General, and Admiral of the United Netherlands | County | | | 1559: Partitioned from Nassau-Dillenburg | 1674: Annexed to Nassau-Diez |
| Nassau-Orange | Principality | | | 1702: Partitioned from Nassau-Diez | |
| Nassau-Siegen | | | | | 1654: HRE Counci of Princes |
| Nassau-Usingen | County 1688: Principality | Upp Rhen | | 1659: Partitioned from Nassau-Saarbrücken | |
| Nassau-Weilburg | Princely County 1688: HRE Prince | Upp Rhen | | 1442: Partitioned from Nassau-Weilburg-Saarbrücken | |
| Naumburg-Zeitz | Bishopric | | | 1029 | 1565: Annexed by Saxony |
| Naugard | County | | | | |
| Naumburg | Prince-bishopric | | | | |
| Neipperg | 1734: HRE County | | | | 1766: Swabian College of Counts |
| Nellenburg | Landgraviate | | | | |
| Neresheim | Imperial Abbacy | Swab | | | 1793: Council of Princes |
| Nesselrode | | | | | Acquired Reichenstein |
| Neuburg | Lordship | | | | 1363: To Austria |
| Neu-Bruchhausen | County | | | 1234: Partitioned from Bruchhausen | 1388: Annexed to Hoya |
Neuchâtel Neuchatel Neuenburg Sovereign Prince and Count of Neuchâtel and Count of Valangin | County 1643: Principality | | | 1034 | To Dukes of Orleans-Longueville 1707: Personal union with Prussia |
| Neu-Eberstein | County | | | 1207: Partitioned from the Usgau | 1589: Divided between Bronchorst-Gronsfeld and Wolkenstein 1673: Annexed to Speyer 1676: Annexed to Baden |
| Neuenahr | HRE County | | | 1222 | 1419: Annexed to Virneburg 1545: To Julich |
| Neuenburg am Rhein | Imperial City | | | 1218: Split off from Zähringen | to Austria |
| Neu-Katzenelnbogen | County | | | 1245: Partitioned from Katzenelnbogen | 1479: Annexed to Hesse-Marburg |
Neumark See Brandenburg-Küstrin | | | | | |
| Neustadt | Lordship | | | c1420: Partitioned from C. of Leyen | 1625: Line Extinct To Trauttmansdorff To Wallmoden |
| Nickenich | Lordship | | | 1611: Partitioned from Saffig | 1714: Annexed to Adendorf |
| Nidda | County | | | 1227: Partitioned from Ziegenhain | c1200: Inherited by Counts of Ziegenhein 1333: Re-annexed to Ziegenhain 1450: Passed to Hesse |
Niedermünster im Regensburg Niedermunster in Regensburg | Abbacy 1675: HRE Princess-Abess | Bav | | | 1500: Bavarian Circle 1793: Council of Princes |
| Nienburg | County | | | 1234 | 1582: Annexed to Brunswick-Calenberg |
| Nienburg | RA | | | | |
| Nomeny | Margraviate | | | | 1736: To House of Lorraine |
Nordgau see Lower Alsace | | | | | |
| Nordhausen | Imperial City | Low Sax | RH | 1253 | 1803: Mediatized to Brandenburg |
| Nördlingen | Imperial City | Swab | SW | 1215 | 1803: Mediatized to Bavaria |
| Nordmark | Margraviate | | | 860 | 1136: Refounded as Mg. of Brandenburg |
| Northeim | County | | | 1002 | 1165: Annexed to the Palatinate |
Northern March See Nordmark | | | | | |
| Nostitz | 1366: HRE Lordship 1631: HRE Barony 1692: HRE County | | | 15th Century | 1280: Earliest record of Lords of Nostitz 1673: Purchased County of Rieneck |
| Nürburg | County | | | 1144 | 1225: Annexed to Neuenahr |
| Nuremberg | 1219: Imperial Free City Burgraviate | | | 1110 | 1105: 1st mention of Nuremberg 1105-1192: To Counts of Raabs 1227: To Counts of Hohenzollern (by female succession and marriage) 1363: Received princely status 1415: Emperor pledged Margraviate of Brandenburg to Nuremberg 1417: Hohenzollerns enfeoffed with Brandenburg 1440: Burgraviate of Nuremberg partitioned into Brandenburg-Ansbach and Brandenburg-Bayreuth 1500: Franconian Circle 1806: Annexed by Bavaria |
| Nuremberg | Imperial City | Franc | SW | 1219 | 1806: Annexed to Bavaria |