The Province of Hesse-Nassau () was a

province A province is almost always an administrative division within a country or state. The term derives from the ancient Roman ''provincia'', which was the major territorial and administrative unit of the Roman Empire's territorial possessions out ...

of the

Kingdom of Prussia The Kingdom of Prussia (german: Königreich Preußen, ) was a German kingdom that constituted the state of Prussia between 1701 and 1918.Marriott, J. A. R., and Charles Grant Robertson. ''The Evolution of Prussia, the Making of an Empire''. ...

from 1868 to 1918, then a province of the

Free State of Prussia The Free State of Prussia (german: Freistaat Preußen, ) was one of the constituent states of Germany from 1918 to 1947. The successor to the Kingdom of Prussia after the defeat of the German Empire in World War I, it continued to be the domina ...

until 1944. Hesse-Nassau was created as a consequence of the

Austro-Prussian War The Austro-Prussian War, also by many variant names such as Seven Weeks' War, German Civil War, Brothers War or Fraternal War, known in Germany as ("German War"), (; "German war of brothers") and by a variety of other names, was fought in 186 ...

of 1866 by combining the previously independent

Hesse-Kassel The Landgraviate of Hesse-Kassel (german: Landgrafschaft Hessen-Kassel), spelled Hesse-Cassel during its entire existence, was a state in the Holy Roman Empire that was directly subject to the Emperor. The state was created in 1567 when the L ...

(or Hesse-Cassel), the

Duchy of Nassau The Duchy of Nassau (German: ''Herzogtum 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 G ...

, the

Free City of Frankfurt For almost five centuries, the German city of Frankfurt was a city-state within two major Germanic entities: *The Holy Roman Empire as the Free Imperial City of Frankfurt () (until 1806) *The German Confederation as the Free City of Frankfurt ...

, areas gained from the

Kingdom of Bavaria The Kingdom of Bavaria (german: Königreich Bayern; ; spelled ''Baiern'' until 1825) was a German state that succeeded the former Electorate of Bavaria in 1805 and continued to exist until 1918. With the unification of Germany into the German ...

, and areas gained from the

Grand Duchy of Hesse The Grand Duchy of Hesse and by Rhine (german: link=no, Großherzogtum Hessen und bei Rhein) was a grand duchy in western Germany that existed from 1806 to 1918. The Grand Duchy originally formed from the Landgraviate of Hesse-Darmstadt in 18 ...

(including part of the former Landgraviate of

Hesse-Homburg Hesse-Homburg was formed into a separate landgraviate in 1622 by the landgrave of Hesse-Darmstadt; it was to be ruled by his son, although it did not become independent of Hesse-Darmstadt until 1668. It was briefly divided into Hesse-Homburg and ...

from Hesse-Darmstadt). These regions were combined to form the province Hesse-Nassau in 1868 with its capital in

Kassel Kassel (; in Germany, spelled Cassel until 1926) is a city on the Fulda River in northern Hesse, Germany. It is the administrative seat of the Regierungsbezirk Kassel and the district of the same name and had 201,048 inhabitants in December 2020 ...

and redivided into two administrative regions:

and

Wiesbaden Wiesbaden () is a city in central western Germany and the capital of the state of Hesse. , it had 290,955 inhabitants, plus approximately 21,000 United States citizens (mostly associated with the United States Army). The Wiesbaden urban area ...

. The largest part of the province surrounded the province of

Upper Hesse The term Upper Hesse (german: Provinz Oberhessen) originally referred to the southern possessions of the Landgraviate of Hesse, which were initially geographically separated from the more northerly Lower Hesse by the . Later, it became the name o ...

in the Grand Duchy of Hesse (

People's State of Hesse The People's State of Hesse (german: Volksstaat Hessen) was one of the constituent states of Germany from 1918 to 1945, as the successor to the Grand Duchy of Hesse (german: Großherzogtum Hessen) after the defeat of the German Empire in World W ...

from 1918). On 1 April 1929, the Free State of Waldeck became a part of Hesse-Nassau after a popular vote, becoming part of the Kassel administrative region. In 1935, the

Nazi Nazism ( ; german: Nazismus), the common name in English for National Socialism (german: Nationalsozialismus, ), is the far-right totalitarian political ideology and practices associated with Adolf Hitler and the Nazi Party (NSDAP) in ...

government ''de facto'' abolished all states, so the provinces held little meaning. Nevertheless, effective 1 July 1944, Hesse-Nassau was split into the provinces of

Kurhessen The Electorate of Hesse (german: Kurfürstentum Hessen), also known as Hesse-Kassel or Kurhessen, was a landgraviate whose prince was given the right to elect the Emperor by Napoleon. When the Holy Roman Empire was abolished in 1806, its pri ...

(capital in Kassel) and

Nassau Nassau may refer to: Places Bahamas *Nassau, Bahamas, capital city of the Bahamas, on the island of New Providence Canada *Nassau District, renamed Home District, regional division in Upper Canada from 1788 to 1792 *Nassau Street (Winnipeg), ...

(capital in

). In 1945, after the end of

World War II World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the World War II by country, vast majority of the world's countries—including all of the great power ...

, these two provinces were re-merged and combined with most of the neighbouring

to form Greater Hesse, which became the modern state of

Hesse Hesse (, , ) or Hessia (, ; german: Hessen ), officially the State of Hessen (german: links=no, Land Hessen), is a state in Germany. Its capital city is Wiesbaden, and the largest urban area is Frankfurt. Two other major historic cities are ...

in 1946. Parts of Nassau were also moved into the

Rhineland-Palatinate Rhineland-Palatinate ( , ; german: link=no, Rheinland-Pfalz ; lb, Rheinland-Pfalz ; pfl, Rhoilond-Palz) is a western state of Germany. It covers and has about 4.05 million residents. It is the ninth largest and sixth most populous of the ...

Oberpräsidents

The Oberpräsident (or "High Commissioner") was the chief administrator of a Prussian province, appointed by the King on the advice of the Prussian

Minister for the Interior Minister may refer to: * Minister (Christianity), a Christian cleric ** Minister (Catholic Church) * Minister (government), a member of government who heads a ministry (government department) ** Minister without portfolio, a member of government w ...

. The Oberpräsident administered the province with the assistance of a Prussian government-appointed provincial council.

Insignia

The flag of Hesse-Nassau is identical to that of the

Netherlands ) , anthem = ( en, "William of Nassau") , image_map = , map_caption = , subdivision_type = Sovereign state , subdivision_name = Kingdom of the Netherlands , established_title = Before independence , established_date = Spanish Netherl ...

. The

Dutch royal house In the Kingdom of the Netherlands, the monarchy is a constitutional office and is controlled by the Constitution of the Netherlands. A distinction is made between members of the royal family and members of the royal house. Membership According t ...

originates from the

. The coat of arms is split into three parts, each part showing the coats of arms for the three entities that formed Hesse-Nassau: * a crowned, silver/red-striped

lion The lion (''Panthera leo'') is a large cat of the genus '' Panthera'' native to Africa and India. It has a muscular, broad-chested body; short, rounded head; round ears; and a hairy tuft at the end of its tail. It is sexually dimorphic; adu ...

on a blue background (Electorate of Hesse) * a crowned, golden lion on a blue field strewn with

billets A billet is a living-quarters to which a soldier is assigned to sleep. Historically, a billet was a private dwelling that was required to accept the soldier. Soldiers are generally billeted in barracks or garrisons when not on combat duty, alt ...

(Duchy of Nassau) * a silver

eagle Eagle is the common name for many large birds of prey of the family Accipitridae. Eagles belong to several groups of genera, some of which are closely related. Most of the 68 species of eagle are from Eurasia and Africa. Outside this area, j ...

with golden talons on a red background (Free City of Frankfurt) Hessen Nassau 1905

{{Authority control Former states and territories of Rhineland-Palatinate Former states and territories of Hesse 1868 establishments in Prussia 1944 disestablishments in Germany