• Borders by former country (8 C)
• Demographics by former country (14 C, 2 P)
• Environment by former country (3 C)
• Geology by former country (2 C)
• Natural disasters by former country (3 C)

+

• Geography of Africa by former country (4 C)
• Geography of Asia by former country (12 C)
• Geography of Europe by former country (15 C)
• Geography of North America by former country (4 C)
• Geography of South America by former country (1 C)

A

• Geography of al-Andalus (2 C, 4 P)
• Geography of Austria-Hungary (1 C, 3 P)

B

• Geography of the Byzantine Empire (5 C, 2 P)

C

• Geography of the Confederate States of America (2 C)
• Geography of Czechoslovakia (4 C, 3 P)

D

• Geography of the Dutch East Indies (2 C, 2 P)

E

• Geography of East Germany (3 C, 7 P)

G

• Geography of Gran Colombia (1 C, 1 P)

H

• Geography of the Kingdom of Hungary (4 C, 3 P)

I

• Geography of Illyria (11 C)

J

• Geography of the Empire of Japan (4 C, 1 P)

K

• Geography of the Kingdom of Kandy (11 P)
• Geography of Korea (12 C, 17 P)

M

• Geography of Mesoamerica (12 C, 87 P)

N

• Geography of the Netherlands Antilles (4 P)

O

• Geography of the Ottoman Empire (4 C, 5 P)

P

• Geography of Phoenicia (1 C, 4 P)
• Geography of the Polish–Lithuanian Commonwealth (2 C, 2 P)
• Geography of Prussia (2 C, 4 P)

R

• Geography of ancient Rome (16 C, 27 P)
• Geography of the Russian Empire (5 C, 9 P)

S

• Geography of the Sasanian Empire (3 C, 2 P)
• Geography of the Soviet Union (13 C, 5 P)

U

• Geography of the United Suvadive Republic (2 P)

Y

• Geography of Yugoslavia (3 C)

Z

• Geography of Zanzibar (9 C, 3 P)