• Octagonal Kofun (7 P)

+

• Octagonal churches (1 C, 15 P)
• Octagon houses (2 C, 3 P)
• Octagonal school buildings (1 C, 3 P)
• Round and octagonal synagogues (19 P)

A

• Octagonal buildings in Australia (4 P)

C

• Octagonal buildings in Canada (1 C, 6 P)
• Octagonal buildings in China (13 P)

D

• Octagonal buildings in Denmark (4 P)

E

• Octagonal buildings in Egypt (3 P)

F

• Octagonal buildings in France (1 P)

G

• Octagonal buildings in Germany (3 P)
• Octagonal buildings in Greece (1 P)

I

• Octagonal buildings in India (2 P)
• Octagonal buildings in Iran (13 P)
• Octagonal buildings in Iraq (3 P)
• Octagonal buildings in Italy (1 C, 5 P)

J

• Octagonal buildings in Jerusalem (3 P)

M

• Octagonal buildings in Mexico (1 P)

N

• Octagonal buildings in the Netherlands (140 P)
• Octagonal buildings in New Zealand (1 P)

O

• Octagonal belfries (2 C)

P

• Octagonal buildings in Puerto Rico (2 P)

S

• Octagonal buildings in Spain (2 P)

U

• Octagonal buildings in the United Kingdom (1 C, 58 P, 1 F)
• Octagonal buildings in the United States (4 C, 61 P)