
The Duchy of Anhalt was a historical German duchy. The duchy was located between the Harz Mountains in the west and the river Elbe and beyond to the Fläming Heath in the east. The territory was once ruled by the House of Ascania, and is now part of the federal state of Saxony-Anhalt.

The Principality of Anhalt was a State of the Holy Roman Empire, located in Central Germany, in what is today part of the federal state of Saxony-Anhalt.

Bremen, officially the Free Hanseatic City of Bremen, is the smallest and least populous of Germany's 16 states. It is informally called Land Bremen, although this is sometimes used in official contexts. The state consists of the city of Bremen as well as the exclave city of Bremerhaven in Northern Germany, surrounded by the larger state of Lower Saxony.

The Duchy of Brunswick was a historical German state. Its capital was the city of Brunswick (Braunschweig). It was established as the successor state of the Principality of Brunswick-Wolfenbüttel by the Congress of Vienna in 1815. In the course of the 19th-century history of Germany, the duchy was part of the German Confederation, the North German Confederation and from 1871 the German Empire. It was disestablished after the end of World War I, its territory incorporated into the Weimar Republic as the Free State of Brunswick.

Hamburg, officially the Free and Hanseatic City of Hamburg, is the second-largest city in Germany after Berlin and 7th largest city in the European Union with a population of over 1.84 million.

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.

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 Free and Hanseatic City of Lübeck was a city-state from 1226 to 1937, in what is now the German states of Schleswig-Holstein and Mecklenburg-Vorpommern.

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 Grand Duchy of Oldenburg was a grand duchy within the German Confederation, North German Confederation and German Empire that consisted of three widely separated territories: Oldenburg, Eutin and Birkenfeld. It ranked tenth among the German states and had one vote in the Bundesrat and three members in the Reichstag.

The Kingdom of Prussia was a German kingdom that constituted the state of Prussia between 1701 and 1918. It was the driving force behind the unification of Germany in 1871 and was the leading state of the German Empire until its dissolution in 1918. Although it took its name from the region called Prussia, it was based in the Margraviate of Brandenburg. Its capital was Berlin.

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.

Saxe-Altenburg was one of the Saxon duchies held by the Ernestine branch of the House of Wettin in present-day Thuringia. It was one of the smallest of the German states with an area of 1323 square kilometers and a population of 207,000 (1905) of whom about one fifth resided in the capital, Altenburg. The territory of the duchy consisted of two non-contiguous territories separated by land belonging to the Principality of Reuss. Its economy was based on agriculture, forestry, and small industry. The state had a constitutional monarchical form of government with a parliament composed of thirty members chosen by male taxpayers over 25 years of age.

Saxe-Coburg and Gotha, or Saxe-Coburg-Gotha, was an Ernestine, Thuringian duchy ruled by a branch of the House of Wettin, consisting of territories in the present-day states of Thuringia and Bavaria in Germany. It lasted from 1826 to 1918. In November 1918, Charles Edward, Duke of Saxe-Coburg and Gotha, was forced to abdicate. In 1920, the northern part of the duchy was merged with six other Thuringian free states to form the state of Thuringia: Saxe-Weimar-Eisenach, Saxe-Altenburg and Saxe-Meiningen, Schwarzburg-Rudolstadt and Schwarzburg-Sondershausen, as well as the People's State of Reuss. The southern part of the duchy, as southernmost of the Thuringian states, was the only one which, after a referendum, became part of Bavaria.

The Duchy of Saxe-Lauenburg, was a reichsfrei duchy that existed 1296–1803 and 1814–1876 in the extreme southeast region of what is now Schleswig-Holstein. Its territorial center was in the modern district of Herzogtum Lauenburg and originally its eponymous capital was Lauenburg upon Elbe, though in 1619 the capital moved to Ratzeburg.

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-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 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.

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).