The Grand Duchy of Luxembourg.
The official name of Luxembourg is the Grand Duchy of Luxembourg.
The Grand Duchy of Pontevedro.
Luxembourg City is the capital of the Grand Duchy of Luxembourg.
Denmark Djibouti Dominica the Dominican Republic
- Austrian State Treaty in forceJuly 27, 1955 (Duchy: 1156, Austrian Empire: 1804, First Austrian Republic: 1918-1938, Second Republic since 1945)
The Duchy of Saxony (in today's Germany) where Martin Luther initiated the Reformation.
A duchy
Duchy of Racibórz was created in 1172.
Duchy of Silesia ended in 1918.
Duchy of Silesia was created in 1163.
Duchy of Westphalia was created in 1180.