List of states in the Holy Roman Empire (D)

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This is a list of states in the Holy Roman Empire beginning with the letter D:

Name	Type	Circle	Bench	Formed	Notes
Dagstuhl (Dachstuhl)	Lordship	Upp Rhen	n/a	802: To the Archbishopric of Trier	1270: To Dagstuhl as fief of Trier 1375: Extinct; to , Kriechingen, and 1616-25: Acquired by piecemeal 1662: To 1793: To France 1815: To Prussia
Dannenberg	County	n/a	n/a	1153: First mentioned; branch of	1303: Sold to Lüneburg 1311: Extinct
Danzig (Gdańsk)	Imperial City	n/a	n/a	1263: Acquired autonomy	1301: To Denmark 1308: To the Teutonic Order 1457: To Poland with high autonomy 1793: To Prussia 1807: Free City of Danzig 1813: To Prussia
	Lordship	n/a	n/a	1075: First mentioned	1163: Extinct; former servant assumed the name and rights 1250: Acquired part of ; renamed to
	County	Low Rhen	WE	1518: Renamed from	1546: Partitioned into and 1667: Sold to Lorraine 1682: Extinct; to
	Lordship 1518: County	Low Rhen	WE	1250: Renamed from	1163: Extinct; former servant assumed the name and rights 1250: Acquired part of ; renamed to 1518: Acquired ; HRE Count; Renamed to 1546: Partitioned from 1636: Extinct; to 1682: To 1766: To Limburg-Styrum-Styrum 1771: to Baden 1794: To France 1815: To Prussia 1817: Attached to the Principality of Birkenfeld
Dauphiné	County	n/a	n/a	1016: Albon first mentioned	1030: Acquired half of Viennois By 1293: Became known as the 1349: Sold to France 1355: Extinct
	Lordship 1465: Barony	Bav	SC	1189: First mentioned	1303: Acquired 1438: Partitioned into and 1454: Reunited by 1465: HRE Baron 1487: Imperial immediacy 1511: Acquired 1602: Extinct; succession disputed 1607: To Bavaria; Seat in Imperial Diet and Bavarian Circle revoked
	Lordship	n/a	n/a	1438: Partitioned from	1454: Renamed to
	Lordship	n/a	n/a	1438: Partitioned from	1454: Extinct; to
Delmenhorst	County	Low Rhen	WE	1254: First mentioned; to Oldenburg	1281: To 1414: To Archbishopric of Bremen 1438: To Oldenburg 1463: To 1464: To Oldenburg 1482: To Bishopric of Münster 1547: To Oldenburg 1577: To 1647: To Oldenburg 1667: To Denmark 1711: To Hanover 1731: To Denmark 1773: To Oldenburg
	Wildgraviate	n/a	n/a	1258: Partitioned from the Wildgraviate	1350: Extinct; to
Diepholz	Barony 1524: County	Low Rhen	WE	1160: First mentioned; fief of Saxony	1285: Acquired 1291: Imperial immediacy 1441: Acquired Wagenfeld, Bokel and 1482: Claimed title of Count 1510: Partially made fief of Brunswick-Lüneburg 1521: Remaining territory made fief of Hesse 1553: Claimed Bronkhorst 1585: Extinct; to Brunswick-Lüneburg and Hesse-Cassel
(Dießen)	County	n/a	n/a	954: First mentioned; Gau Counts in Traungau	c. 1030: Partitioned into Wolfratshausen and itself Advocate (Vogt) of Bishopric of Brixen c. 1130: Acquired Plassenburg 1132: Renamed to Andechs
Diessen (Dießen)	Abbacy	n/a	n/a	by 1130: Abbey established by on site of previously destroyed abbey	1132: To Andechs 1248: Made fief of Bavaria 1803: Abbey secularised and suppressed
Diessenhofen	Imperial City	n/a	n/a	1178: Made town of Kyburg	1264: To Habsburg 1415: Free Imperial City 1442: To Austria 1460: To the Old Swiss Confederacy as part of Thurgau
Dietrichstein	Lordship 1514: Barony 1612: County 1631: Principality	Aust	PR	c. 1304: Ministerialis in Carinthia	1514: HRE Baron 1612: HRE Count 1631: HRE Prince 1654: HRE Council of Princes 1684: Acquired Tarasp 1802: Count Leslie of Balquhain 1803: Tarasp to Switzerland; compensated with 1806: to Württemberg
Diez (Dietz)	County	n/a	n/a	11th century: Formed in the Niederlahngau from properties	12th century: Inherited territories in the Wetterau from 1208: Partitioned into and 1223: Reunited by 1234: Partitioned into , and 1522: Divided between and Hesse-Kassel (or Hesse-Cassel)
	County	n/a	n/a	1234: Partitioned from Diez	1322: Extinct; to 1332: Half to 1340: Isenburg half to Isenburg-Büdingen 1438: All to Isenburg-Büdingen
	County	n/a	n/a	1208: Partitioned from Diez	1223: Extinct; to 1234: Partitioned from Diez 1388: Extinct; to Nassau-Dillenburg
	County	n/a	n/a	1208: Partitioned from Diez	1223: Renamed to Diez 1234: Partitioned from Diez 1454: Extinct; to Nassau-Dillenburg
Dinkelsbühl	Imperial City	Swab	SW	1351: Free Imperial City	1802: To Bavaria
Disentis	Abbacy	Swab	SP	8th Century: Abbey established	9th Century?: Imperial immediacy 11th Century: HRE Prince of the Empire 1395: Co-founded the Grey League 1648: Left the Empire as an ally of Switzerland
Donauwörth See: Schwäbisch Wörth	Imperial City
Dornbirn	Lordship	n/a	n/a	9th century	Originally to Bregenz 1171: To Tübingen 1180: To Montfort 1258: To 1375: To Austria 1575: Much to Hohenems 1654: Rest sold to Hohenems; the townsfolk repurchased it for Austria 1771: To Austria 1805: To Bavaria 1814: To Austria
Dortmund	Imperial City	Low Rhen	RH	1220: Free Imperial City	1803: To Nassau-Orange-Fulda 1806: To Berg 1813: To Prussia
Drau (Pettau, Lower Carantanian March)	Margraviate	n/a	n/a	Around 970-980	1147: Inherited by the Styrian Otakars 1254: To Hungary 1260: To Bohemia 1278: To Austria By 1482: Integrated into the Duchy of Styria
Drenthe	County	Burg	n/a	8th century: Originally a gau county	1024: To Bishopric of Utrecht 1528: To the Spanish Netherlands 1581: To United Provinces 1648: Left the Empire as part of the Netherlands
Duisburg	Imperial City	n/a	n/a	10th century?: Free Imperial City	1290: Annexed to Cleves 1314: To Berg 1392: To Cleves
Düren	Imperial City	n/a	n/a	1000: Free Imperial City	1241: To Jülich
Dyck	Lordship	n/a	n/a	10th century	1394: Extinct; to 1460: To Salm-Reifferscheid 1639: To Salm-Reifferscheid-Dyck 1794: To France 1815: To Prussia

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