Category:Former duchies

• Former grand duchies‎ (10 C, 15 P)

A

• Duchy of Amalfi‎ (1 C, 5 P)
• Duchy of Anhalt‎ (1 C, 1 P)
• Duchy of the Archipelago‎ (3 C, 12 P)

B

• Duchy of Benevento‎ (2 C, 7 P)
• Duchy of Brunswick‎ (4 C, 53 P)
• Duchy of Burgundy‎ (7 C, 25 P)

C

• Duchy of Courland and Semigallia‎ (4 C, 8 P)
• Duchy of Croatia‎ (4 C, 2 P)

D

• Duchies of Poland‎ (4 C, 24 P)
• Duchies of the Kingdom of Georgia‎ (6 P)
• Duchy of Bukovina‎ (1 C, 35 P)
• Duchy of Castro‎ (3 C, 7 P)
• Duchy of Spoleto‎ (1 C, 2 P)
• Dukes of Bosnia‎ (10 P)

E

• Ernestine duchies‎ (3 C, 20 P)

F

• Duchy of Ferrara‎ (4 C, 5 P)
• Duchy of Florence‎ (2 C, 2 P)
• Duchy of Guastalla‎ (1 C, 3 P)
• Former duchies of Georgia (country)‎ (1 C, 4 P)
• Former duchies of the Kingdom of Bohemia‎ (1 C, 6 P)
• Former duchies of France‎ (6 P)

G

• Duchy of Gaeta‎ (1 C, 5 P)

H

• Duchies of the Holy Roman Empire‎ (29 C, 59 P)

L

• Duchy of Lucca‎ (1 C, 5 P)

M

• Duchy of Massa and Carrara‎ (7 C, 4 P)
• Duchy of Mirandola‎ (1 C, 4 P)
• Duchy of Modena and Reggio‎ (9 C, 7 P)

N

• Duchy of Nassau‎ (5 C, 5 P)
• Duchy of Normandy‎ (6 C, 20 P)

P

• Duchy of Parma‎ (4 C, 18 P)
• Pomeranian duchies‎ (1 C, 18 P)
• Duchy of Prussia‎ (1 C, 6 P)

S

• Duchy of Samogitia‎ (1 C, 18 P)
• Duchy of Schleswig‎ (4 C, 9 P)
• Duchy of Sora‎ (1 C, 6 P)

• Duchy

A

• Duchy of Amalfi
• County of Apulia and Calabria
• Duchy of the Archipelago

B

• Duchy of Belz
• County of Blankenburg
• Duchy of Brittany
• Brunswick–Lüneburg
• Duchy of Brunswick
• Duchy of Burgundy

C

• Duchy of Carinthia
• Duchy of Czersk

D

• District duchy
• Duchy of Athens
• Duchy of Bavaria
• Duchy of Benevento
• Duchy of Castro
• Duchy of Estonia (1219–1346)
• Duchy of Guastalla
• Duchy of Mantua
• Duchy of Parma and Piacenza
• Duchy of Persiceta
• Duchy of Rome
• Duchy of Tuscia

E

• Eastern Zhou (state)

F

• Duchy of Florence
• Duchy of Friuli

G

• Duchy of Gaeta

H

• Duke of Halland

K

• Duchy of Kraków

L

• Latera
• Duchy of Lubusz
• Duchy of Lucca

M

• Duchy of Masovia
• Duchy of Milan

N

• Duchy of Naples

P

• Pakualaman
• Duchy of Płock
• Pomerania-Barth
• Pomerania-Neustettin
• Duchy of Pomerania
• Duchy of Poznań
• Duchy of Prussia

S

• Saxe-Lauenburg
• Duchy of Schleswig
• Duke of Schleswig
• Duchy of Siewierz
• Duchy of Silesia
• Duchy of Spoleto

T

• Duchy of Tridentum

U

• United Duchies of Jülich-Cleves-Berg

W

• Duchy of Warsaw
• Duchy of Warsaw (Middle Ages)
• Western Zhou (state)
• Duchy of Wizna

Z

• Principality of Izyaslavl