Brandenburg
former prussian province
to 1934 · flag of the province

Hesse,
german federal country
flag of the country

Hesse-Kassel – (Landgraviate and Electorate)
former german federal country,
1567–1806, 1813–1866 · colours of the country

Hesse-Darmstadt (Landgraviate and Grand Duchy)
former german federal country,
1567–1918 · colours of the country

People's State of Hesse
former german federal country,
1919–1934 · colours of the country

Indonesia
national, merchant and naval flag

Monaco
national and merchant flag

Salzburg
former Austrian crown land, Austrian federal country
flag of the country

Vorarlberg
former Austrian crown land, Austrian federal country
flag of the country

Vienna
austrian federal country
flag of the country

Carinthia
former Austrian crown land, Austrian federal country
to 1918 (–1946?) · flag of the country

Posen
region in the today's Poland,
1815–1830 · prussian grand duchy
1830–1920 · prussian province

Franconia,
historical region in Germany
traditional flag

Alsace
region in today's France
former duchy

Nidwalden
Canton of Switzerland
Colours of the Canton

Obwalden
Canton of Switzerland
Colours of the Canton

Unterwalden
former Canton of Switzerland
to 1999 · Colours of the Canton

Solothurn
Canton of Switzerland
Colours of the Canton

Holstein
former country of the German Confederation
colours of the country

Courland (1561–1795)
merchant flag

Gorizia and Gradisca
former Austrian crown land
to 1918 · colours of the country

Thuringia
german federal country
flag of the country

Hesse-Homburg (Landgraviate)
former german federal country,
1596–1866 · colours of the country

Westfalia
former prussian province
flag of the province

Berg (1806–1813)
former Grand Duchy  in the Rhine Confederation
flag of the country

Upper Austria
former Austrian crown land, Austrian federal country
flag of the country

Tyrol
former Austrian crown land, Austrian federal country
flag of the country

Poland
national and state flag

Duchy of Warsaw
1807–1815 · colours of the country

Southern Tirol
autonomous region in Italy
colours (national flag)

Basel-Land
Canton of Switzerland
Colours of the Canton

Jura
Canton of Switzerland
Colours of the Canton

Bohemia
former Austrian crown land
to 1918 · colours of the country

Czechoslovakia (1918–1992)
1918–1920 · national flag

Czechia
1990–1992 · flag of the Czech Republic within Czechoslovakia

Merina-Kingdom of Madagascar
1810–1885 · national flag

Norway
differentiational flag for official pilot's vessels

Denmark
flag for pilots

La Plata (Argentinia/Argentine)
1810–1812 · national flag

Cantabria
in the 8th cent. Duchy of Cantabria, until 1833 duchy as a part of Castile–Leon;
today autonomous region in Spain
1981–1984 · flag of the autonomous region

Hanseatic League
colours of the Hanseatic League

Saxony-Altenburg
former german duchy and federal country
1832–1895 · unofficial flag of the country, partial even officially in use

Saxony-Coburg-Gotha
former german duchy and federal country
1830–1919 · flag of the country

Free State of Coburg
1919–1920 · flag of the country

Free State of Gotha
1919–1920 · flag of the country

Saxony-Meiningen
former german duchy and federal country
1818–1920 · flag of the country (actually used)

Anhalt-Bernburg
former german federal country
1815(?)–1863 · flag of the country

Anhalt-Dessau
former german federal country
1815(?)–1853 · flag of the country

Anhalt-Köthen
former german federal country
1815(?)–1853 · flag of the country

Anhalt-Dessau-Köthen
former german federal country
1853–1863 · flag of the country

St. Gallen
Canton of Switzerland
Colours of the Canton

Norway
differentiational flag for private pilot's vessels

Bergedorf
District of Hamburg
flag

Siberia
1918 · flag of the Provisional Government of the Autonomous Siberia

Saxony-Altenburg
former german duchy and federal country
1832–1920 · official flag of the country

Saxony-Meiningen
former german duchy and federal country
1818–1920 · flag of the country (official)

Styria
austrian federal country
flag of the country

Waad (Vaud)
Canton of Switzerland
Colours of the Canton

Mecklenburg-WestPomerania
german federal country
flag for the region of Pomerania

Brunswick (Braunschweig)
former german federal country
1814–1831 · flag of the country

Schwarzburg-Rudolstadt
former German principality and federal country
ca.1820–1920 · flag of the country

Schwarzburg-Sondershausen
former German principality and federal country
ca.1820–1920 · flag of the country

Kingdom of Two Sicilies (1816–1860)
from 1734 Kingdom under the Spanish Bourbons
1816–1860 · national flag

Slavonia
former Kingdom in Southern Europe
to 1849 · flag (colours) of the country

Bavaria,
german federal country
flag of the country (with stripes)

Luzern (Lucerne)
Canton of Switzerland
Colours of the Canton

Free State of Krakau (1815–1846)
national flag

Westphalia (1807–1813)
former kingdom in the Rhine Confederation
flag of the country

Lower Silesia
region in today's Poland
former prussian province (to 1945)

Lower Saxony
german federal country
1946–1952 · flag of the country

Lower Saxony
since 1952 · flag of the former Hanoverian territories within the German federal country of Lower Saxony

Roman-Catholic Church
Flag of the Roman-Catholic Church

Eastern Prussia
region in Poland
former prussian province
flag (colours) of the country

Duchy of Lauenburg
former Prussian Duchy
flag of the country

Freiburg (Fribourg)
Canton of Switzerland
Colours of the Canton

Appenzell-Innerrhoden
Canton of Switzerland
Colours of the Canton

Appenzell-Ausserrhoden
Canton of Switzerland
Colours of the Canton

Basel-Town
Canton of Switzerland
Colours of the Canton

Pahang
malaysian federal country

Pahang
today's malaysian federal country
1888–1941 · flag of British Resident