This is list of former German colonies owned by states of Germany:
Holy Roman Empire & German Confederation
Brandenburg-Prussia
Groß Friedrichsburg (in Ghana), 1683–1718
Arguin (in Mauritania), 1685–1721
Whydah (in present Bénin), c. 1700 (this Brandenburg 'colony' was just a minor point of support, a few dwellings at a site co-inhabited by British and Dutch) Saint Thomas. Leased by Brandenburg from the Danish West India Company, 1685–1720. Island of Crabs (Krabbeninsel in German) (Caribbean, now US), Brandenburg annexation in the Danish West Indies, 1689–1693 Tertholen (Caribbean), Occupied in 1696
Duchy of Courland
"New Courland", (1637, 1642, 1654–1659, 1680–1690) Courlander Gambia Fort Bayona, 1651-1660 Fort Jacob, 1651-1660 Fort Jillifree, 1651-1660
Free City of Augsburg
Klein-Venedig,1528–1545
County of Hanau
Hanauish-Indies, Planned in 1669 but later canceled in 1672
House of Ascania
Neu-Askania, 1828-1856
Habsburg Monarchy
These were colonies of the Habsburg monarchy, part of the Holy Roman Empire of German Nation realm until 1804, German Confederation from 1815 to 1848 and from 1850 to 1866. Banquibazar, 1719-1723 Cabelon, 1744-1750 Delagoa Bay, 1777-1781 Nicobar islands, 1778–1783
German Empire
Africa
The following were German African protectorates:
German South West Africa, 1884 to 1915
German West Africa, 1884 to 1915
Togoland, 1884 to 1916
Kamerun, from 1884 to 1916
Kapitaï and Koba, 1884 to 1885
Mahinland, March 11, 1885 to October 24, 1885
German East Africa, 1885 to 1918
Witu Protectorate, 1885 to 1890
German Somali Coast, 1885 to 1888
German Congo, 1884 to 1885
German Katanga, 1886
Gando Protectorate, 1895 to 1897
Gulmu Protectorate, 1895 to 1897
German South Africa, 1884 to 1885
Pacific
These were German colonies established in the Pacific: German New Guinea, 1884 to 1919 Kaiser-Wilhelmsland, 1885 to 1914 Bismarck Archipelago, 1885 to 1914 German Solomon Islands Protectorate, 1885 to 1914 Bougainville Island, 1885 to 1914 Buka Island, 1885 to 1914 Choiseul Island, 1885 to 1900 Shortland Islands, 1885 to 1900 Santa Isabel Island, 1885 to 1900 Nauru, 1906 to 1914 Northern Mariana Islands, 1899 to 1914 Caroline Islands, 1899 to 1914 Palau Islands, 1899 to 1914 Marshall Islands, 1906 to 1914 German Samoa, 1900 to 1914 Protectorate of the Marshall Islands, 1885 to 1906 Nauru, 1888 to 1906
China
These Treaty ports were German concessions in China, leased to it by the Qing Dynasty: