
Anhalt-Bernburg was a principality of the Holy Roman Empire and a duchy of the German Confederation ruled by the House of Ascania with its residence at Bernburg in present-day Saxony-Anhalt. It emerged as a subdivision from the Principality of Anhalt from 1252 until 1468, when it fell to the Ascanian principality of Anhalt-Dessau. Recreated in 1603, Anhalt-Bernburg finally merged into the re-unified Duchy of Anhalt upon the extinction of the line in 1863.

Anhalt-Dessau was a principality of the Holy Roman Empire and later a duchy of the German Confederation. Ruled by the House of Ascania, it was created in 1396 following the partition of the Principality of Anhalt-Zerbst, and finally merged into the re-united Duchy of Anhalt in 1863. The capital of the state was Dessau in present-day Saxony-Anhalt.

Anhalt-Köthen was a principality of the Holy Roman Empire ruled by the House of Ascania. It was created in 1396 when the Principality of Anhalt-Zerbst was partitioned between Anhalt-Dessau and Anhalt-Köthen. The first creation lasted until 1562, when it fell to Prince Joachim Ernest of Anhalt-Zerbst, who merged it into the reunited Principality of Anhalt.

Arenberg, also spelled as Aremberg or Ahremberg, is a former county, principality and finally duchy that was located in what is now Germany. The Dukes of Arenberg remain a prominent Belgian noble family.

The Principality of Aschaffenburg was a principality of the Holy Roman Empire created in 1803 and, following the dissolution of the Empire in 1806, of the Confederation of the Rhine, which existed from 1806 to 1810. Its capital was Aschaffenburg.

The Kingdom of Bavaria was a German state that succeeded the former Electorate of Bavaria in 1805 and continued to exist until 1918. The Bavarian Elector Maximilian IV Joseph of the House of Wittelsbach became the first King of Bavaria in 1805 as Maximilian I Joseph. The crown would go on being held by the Wittelsbachs until the kingdom came to an end in 1918. Most of Bavaria's present-day borders were established after 1814 with the Treaty of Paris, in which Bavaria ceded Tyrol and Vorarlberg to the Austrian Empire while receiving Aschaffenburg and Würzburg. With the unification of Germany into the German Empire in 1871, the kingdom became a federated state of the new empire and was second in size, power, and wealth only to the leading state, the Kingdom of Prussia. In 1918, Bavaria became a republic after the German Revolution, and the kingdom was thus succeeded by the current Free State of Bavaria.

Berg was a state—originally a county, later a duchy—in the Rhineland of Germany. Its capital was Düsseldorf. It existed as a distinct political entity from the early 12th to the 19th centuries.

The Grand Duchy of Berg, also known as the Grand Duchy of Berg and Cleves, was a territorial grand duchy established in 1806 by Emperor Napoleon after his victory at the Battle of Austerlitz (1805) on territories between the French Empire at the Rhine river and the German Kingdom of Westphalia.

The Grand Duchy of Frankfurt was a German satellite state of Napoleonic creation. It came into existence in 1810 through the combination of the former territories of the Archbishopric of Mainz along with the Free City of Frankfurt itself.

The Grand Duchy of Baden was a state in the southwest German Empire on the east bank of the Rhine. It existed between 1806 and 1918.

The Grand Duchy of Hesse and by Rhine was a grand duchy in western Germany that existed from 1806 to the end of the German Empire in 1918. The grand duchy originally formed on the basis of the Landgraviate of Hesse-Darmstadt in 1806 as the Grand Duchy of Hesse. After the end of the Napoleonic Wars in 1815, it changed its name in 1816 to distinguish itself from the Electorate of Hesse, which had formed from neighboring Hesse-Kassel. Colloquially, the grand duchy continued to be known by its former name of Hesse-Darmstadt. It joined the German Empire in 1871 and became a republic after the German defeat in World War I in 1918.

Hohenzollern-Hechingen was a small principality in southwestern Germany. Its rulers belonged to the Swabian branch of the Hohenzollern dynasty.

Hohenzollern-Sigmaringen was a principality in southwestern Germany. Its rulers belonged to the senior Swabian branch of the House of Hohenzollern. The Swabian Hohenzollerns were elevated to princes in 1623. The small sovereign state with the capital city of Sigmaringen was annexed to the Kingdom of Prussia in 1850 following the abdication of its sovereign in the wake of the revolutions of 1848, then became part of the newly created Province of Hohenzollern.

Isenburg was a region of Germany located in southern present-day Hesse, located in territories north and south of Frankfurt. The states of Isenburg emerged from the Niederlahngau, which partitioned in 1137 into Isenburg-Isenburg and Isenburg-Limburg-Covern. These countships were partitioned between themselves many times over the next 700 years.

The Kingdom of Saxony, lasting from 1806 to 1918, was an independent member of a number of historical confederacies in Napoleonic through post-Napoleonic Germany. The kingdom was formed from the Electorate of Saxony. From 1871 it was part of the German Empire. It became a free state in the era of Weimar Republic in 1918 after the end of World War I and the abdication of King Frederick Augustus III of Saxony. Its capital was the city of Dresden, and its modern successor state is the Free State of Saxony.

The Kingdom of Württemberg was a German state that existed from 1805 to 1918, located within the area that is now Baden-Württemberg. The kingdom was a continuation of the Duchy of Württemberg, which existed from 1495 to 1805. Prior to 1495, Württemberg was a county in the former Duchy of Swabia, which had dissolved after the death of Duke Conradin in 1268.

Liechtenstein, officially the Principality of Liechtenstein, is a German-speaking microstate situated in the Alps and in the southwest of Central Europe. The principality is a semi-constitutional monarchy headed by the Prince of Liechtenstein; the Prince's extensive powers are equivalent to those of a President in a semi-presidential system.

Lippe was a historical state in Germany, ruled by the House of Lippe. It was located between the Weser river and the southeast part of the Teutoburg Forest.

The Duchy of Mecklenburg-Schwerin was a duchy in northern Germany created in 1701, when Frederick William and Adolphus Frederick II divided the Duchy of Mecklenburg between Schwerin and Strelitz. Ruled by the successors of the Nikloting House of Mecklenburg, Mecklenburg-Schwerin remained a state of the Holy Roman Empire along the Baltic Sea littoral between Holstein-Glückstadt and Duchy of Pomerania.

The Duchy of Mecklenburg-Strelitz was a duchy in northern Germany, consisting of the eastern fifth of the historic Mecklenburg region, roughly corresponding with the present-day Mecklenburg-Strelitz district, and the western exclave of the former bishopric of Ratzeburg in modern Schleswig-Holstein. At the time of its establishment, the duchy bordered on the territory of Swedish Pomerania in the north and of Brandenburg in the south.

The County of Nassau was a German state within the Holy Roman Empire and later part of the German Confederation. Its ruling dynasty, the male line of which is now extinct, was the House of Nassau.

The Duchy of Nassau was an independent state between 1806 and 1866, located in what is now the German states of Rhineland-Palatinate and Hesse. It was a member of the Confederation of the Rhine and later of the German Confederation. Its ruling dynasty, now extinct, was the House of Nassau. The duchy was named for its historical core city, Nassau, although Wiesbaden rather than Nassau was its capital. In 1865, the Duchy of Nassau had 465,636 inhabitants. After being occupied and annexed into the Kingdom of Prussia in 1866 following the Austro-Prussian War, it was incorporated into the Province of Hesse-Nassau. The area today is a geographical and historical region, Nassau, and Nassau is also the name of the Nassau Nature Park within the borders of the former duchy.

The Duchy of Oldenburg — named after its capital, the town of Oldenburg — was a state in the north-west of present-day Germany. The counts of Oldenburg died out in 1667, after which it became a duchy until 1810, when it was annexed by the First French Empire. It was located near the mouth of the River Weser.

The Principality of Regensburg was a principality of the Holy Roman Empire created in 1803; following the dissolution of the Empire in 1806, it was part of the Confederation of the Rhine until 1810. Its capital was Regensburg.

Reuss was the name of several historical states located in present-day Thuringia, Germany. Its rulers, the House of Reuss, named all of their male children Heinrich after the end of the 12th century in honour of Henry VI, Holy Roman Emperor (1190–1197), to whom they owed the estates of Weida and Gera. The head of each branch of the family bore the German title Fürst (Prince) as did their male children.

The Principality of Reuss-Gera, called the Principality of Reuss Junior Line after 1848, was a sovereign state in modern Germany, ruled by members of the House of Reuss. It was one of the successor states of the Imperial County of Reuss. The Counts Reuss, with their respective capitals and Residenzen at Gera, Schleiz, Lobenstein, Köstritz and Ebersdorf were all elevated to the title of prince (Fürst) in 1806, and their successor branch heads shared that title, while their cadets were also each titled prince (Prinz). Thus all males of the family were properly "Prince Heinrich Reuss, J.L.", without use of a nobiliary particle, although for convenience their branch names remained in colloquial use.

The Principality of Reuss-Greiz, called the Principality of the Reuss Elder Line after 1848, was a sovereign state in modern Germany, ruled by members of the House of Reuss. The Counts Reuss of Greiz, Lower-Greiz and Upper-Greiz were elevated to princely status in 1778 and thereafter bore the title of Prince Reuss, Elder Line, or Prince Reuss of Greiz.

Reuss-Lobenstein was a state located in the German part of the Holy Roman Empire. The members of Reuss-Lobenstein family belonged to the Reuss Junior Line. Reuss-Lobenstein has existed on two occasions, it was firstly created in 1425 as a lordship with Heinrich II, Lord of Reuss-Lobenstein becoming the first ruler. The first Lordship of Reuss-Lobenstein came to an end in 1547 when the territory went to Reuss-Plauen.

Reuss-Ebersdorf was a county and from 1806 a principality located in Germany. The Counts of Reuss-Ebersdorf belonged to the Reuss Junior Line. Reuss was successively a part of the Holy Roman Empire, Confederation of the Rhine, German Confederation, North German Confederation, German Empire and Weimar Republic before becoming a part of Thuringia in 1920.

The Principality of Salm was a short-lived client state of Napoleonic France located in Westphalia.

Saxe-Coburg-Saalfeld was one of the Saxon Duchies held by the Ernestine line of the Wettin Dynasty. Established in 1699, the Saxe-Coburg-Saalfield line lasted until the reshuffle of the Ernestine territories that occurred following the extinction of the Saxe-Gotha line in 1825, in which the Saxe-Coburg-Saalfeld line received Gotha, but lost Saalfeld to Saxe-Meiningen.

Saxe-Eisenach was an Ernestine duchy ruled by the Saxon House of Wettin. The state intermittently existed at three different times in the Thuringian region of the Holy Roman Empire. The chief town and capital of all three duchies was Eisenach.

Saxe-Gotha-Altenburg was a duchy ruled by the Ernestine branch of the House of Wettin in today's Thuringia, Germany. The extinction of the line in 1825 led to a major re-organisation of the Thuringian states.

Saxe-Hildburghausen was an Ernestine duchy in the southern side of the present State of Thuringia in Germany. It existed from 1680 to 1826 but its name and borders are currently used by the District of Hildburghausen.

Saxe-Meiningen was one of the Saxon duchies held by the Ernestine line of the Wettin dynasty, located in the southwest of the present-day German state of Thuringia.

Saxe-Weimar was one of the Saxon duchies held by the Ernestine branch of the Wettin dynasty in present-day Thuringia. The chief town and capital was Weimar. The Weimar branch was the most genealogically senior extant branch of the House of Wettin.

Saxe-Weimar-Eisenach was created as a duchy in 1809 by the merger of the Ernestine duchies of Saxe-Weimar and Saxe-Eisenach, which had been in personal union since 1741. It was raised to a grand duchy in 1815 by resolution of the Vienna Congress. In 1903, it officially changed its name to the Grand Duchy of Saxony, but this name was rarely used. The Grand Duchy came to an end in the German Revolution of 1918–19 with the other monarchies of the German Empire. It was succeeded by the Free State of Saxe-Weimar-Eisenach, which was merged into the new state of Thuringia two years later.

The Electorate of Saxony was a state of the Holy Roman Empire established when Emperor Charles IV raised the Ascanian duchy of Saxe-Wittenberg to the status of an Electorate by the Golden Bull of 1356. Upon the extinction of the House of Ascania, it was feoffed to the Margraves of Meissen from the Wettin dynasty in 1423, who moved the ducal residence up the river Elbe to Dresden. After the Empire's dissolution in 1806, the Wettin Electors raised Saxony to a territorially reduced kingdom.

Schaumburg-Lippe, also Lippe-Schaumburg, was created as a county in 1647, became a principality in 1807, a free state in 1918, and was until 1946 a small state in Germany, located in the present day state of Lower Saxony, with its capital at Bückeburg.

Schwarzburg-Rudolstadt was a small historic state in present-day Thuringia, Germany, with its capital at Rudolstadt.

Schwarzburg-Sondershausen was a small principality in Germany, in the present day state of Thuringia, with its capital at Sondershausen.

The County of Waldeck was a state of the Holy Roman Empire and its successors from the late 12th century until 1929. In 1349 the county gained Imperial immediacy and in 1712 was raised to the rank of Principality. After the dissolution of the Holy Roman Empire in 1806 it was a constituent state of its successors: the Confederation of the Rhine, the German Confederation, the North German Confederation, the German Empire and, until 1929, the Weimar Republic. It comprised territories in present-day Hesse and Lower Saxony (Germany).

The Kingdom of Westphalia was a kingdom in Germany, with a population of 2.6 million, that existed from 1807 to 1813. It included territory in Hesse and other parts of present-day Germany. While formally independent, it was a vassal state of the First French Empire and was ruled by Napoleon's brother Jérôme Bonaparte. It was named after Westphalia, but this was a misnomer since the kingdom had little territory in common with that area; rather the kingdom mostly covered territory formerly known as Eastphalia.

The Prince-Bishopric of Würzburg was an ecclesiastical principality of the Holy Roman Empire located in Lower Franconia west of the Prince-Bishopric of Bamberg. Würzburg had been a diocese since 743. As definitely established by the Concordat of 1448, bishops in Germany were chosen by the canons of the cathedral chapter and their election was later confirmed by the pope. Following a common practice in Germany, the prince-bishops of Würzburg were frequently elected to other ecclesiastical principalities as well. The last few prince-bishops resided at the Würzburg Residence, which is one of the grandest baroque palaces in Europe.

The Grand Duchy of Würzburg was a German grand duchy centered on Würzburg existing in the early 19th century.