* France: France regained Alsace-Lorraine, which had been lost to Germany in the Franco-Prussian War of 1870-71. The country also gained control of Syria and Lebanon as League of Nations mandates.
* Great Britain: Great Britain gained control of German East Africa, German South-West Africa, and German New Guinea. The country also gained control of Mesopotamia (modern-day Iraq) and Palestine as League of Nations mandates.
* Italy: Italy gained control of South Tyrol, Istria, and Dalmatia. The country also gained control of the Dodecanese Islands in the Aegean Sea.
* Japan: Japan gained control of German Micronesia, German Samoa, and the Kwantung Leased Territory in China. The country also gained a mandate over the former German Marshall Islands.