• Lists of castles by country (6 C, 52 P)

-

• Castles by former country (3 C)

+

• Castles in British Overseas Territories and Crown Dependencies (5 C, 1 P)

A

• Castles in Albania (1 C, 43 P)
• Castles in Algeria (3 P)
• Castles in Armenia (27 P)
• Castles in Austria (4 C, 17 P)
• Castles in Azerbaijan (1 C, 5 P)

B

• Castles in Belarus (2 C, 17 P)
• Castles in Belgium (5 C, 196 P)
• Castles in Bosnia and Herzegovina (1 C, 47 P)
• Castles in Brazil (3 P)
• Castles in Bulgaria (39 P)

C

• Castles in Canada (10 P)
• Castles in Chile (2 P)
• Castles in China (4 P)
• Castles in Croatia (2 C, 77 P)
• Castles in Cuba (1 P)
• Castles in Cyprus (2 C, 10 P)
• Castles in the Czech Republic (7 C, 42 P)

D

• Castles in Denmark (8 C, 43 P)
• Castles in the Dominican Republic (1 P)

E

• Castles in Egypt (11 P)
• Castles in Estonia (1 C, 26 P)

F

• Castles in Finland (1 C, 19 P)
• Castles in France (7 C, 14 P)

G

• Castles in Georgia (country) (1 C, 3 P)
• Castles in Germany (8 C, 16 P)
• Castles in Ghana (31 P)
• Castles in Greece (6 C, 19 P)

H

• Castles in Hungary (3 C, 31 P)

I

• Castles in India (4 P)
• Castles in Iran (9 C, 374 P)
• Castles in Iraq (11 P)
• Castles in the Republic of Ireland (1 C, 4 P)
• Castles in Ireland (6 C, 2 P)
• Castles in Israel (23 P)
• Castles in Italy (6 C, 176 P)

J

• Castles in Japan (7 C, 10 P)
• Castles in Jordan (15 P)

K

• Castles in Korea (2 C, 5 P)

L

• Castles in Latvia (5 C, 1 P)
• Castles in Lebanon (1 C, 14 P)
• Castles in Liechtenstein (1 C, 4 P)
• Castles in Lithuania (2 C, 21 P)
• Castles in Luxembourg (2 C, 57 P)

M

• Castles in Malaysia (1 P)
• Castles in Malta (4 P)
• Castles in Mexico (6 P)
• Castles in Moldova (3 P)
• Castles in Mongolia (3 P)
• Castles in Montenegro (2 P)
• Castles in Morocco (1 C)

N

• Castles in Namibia (6 P)
• Castles in the Netherlands (3 C, 7 P)
• Castles in New Zealand (1 C, 2 P)
• Castles in Nigeria (1 P)
• Castles in North Korea (11 P)
• Castles in North Macedonia (8 P)
• Castles in Norway (1 C, 14 P)

P

• Castles in Pakistan (3 P)
• Castles in Poland (5 C, 3 P)
• Castles in Portugal (3 C, 159 P)

R

• Castles in Romania (1 C, 37 P)
• Castles in Russia (3 C, 26 P)

S

• Castles in Saudi Arabia (22 P)
• Castles in Serbia (5 P)
• Castles in Slovakia (1 C, 54 P)
• Castles in Slovenia (7 C, 7 P)
• Castles in South Africa (14 P)
• Castles in South Korea (1 C, 22 P)
• Castles in Spain (21 C, 3 P)
• Castles in Sweden (15 C, 6 P)
• Castles in Switzerland (6 C, 7 P)
• Castles in Syria (2 C, 38 P)

T

• Castles in Taiwan (1 P)
• Castles in Tunisia (1 P)
• Castles in Turkey (11 C, 56 P)

U

• Castles in Ukraine (5 C, 39 P)
• Castles in the United Arab Emirates (1 C, 4 P)
• Castles in the United Kingdom (17 C, 2 P, 4 F)
• Castles in the United States (8 C, 37 P)

V

• Castles in Venezuela (7 P)

Y

• Castles in Yemen (8 P)