Region
Singapore --
2
United States --
2
Vietnam --
2
Africa --
1
Africa, Southern
1
Africa, Southern --
1
Australia --
1
Austria
1
Austria --
1
Balkan Peninsula
1
Balkan Peninsula --
1
China
1
China --
1
Commonwealth countries --
1
East Asia
1
Egypt --
1
Europe
1
Europe --
1
History
1
Indochina
1
Malay Peninsular
1
New Zealand --
1
Singapore
1
Southeast Asia
1
Taiwan --
1