I have been to the Republic of Vietnam.

The system of provinces was a part of the ancient political system in Japan.

The German Democratic Republic was once a socialist country.

The Democratic Republic of the Congo is located in the central part of the African continent.

The Republic of the Marshall Islands is located in the Pacific Ocean.

The People's Republic of Albania was once a socialist country.

My friend came from the Republic of Côte d'Ivoire.

My friend came from the Republic of South Sudan.

Yamatokoku is one of the ancient states of Japan, also written as Yamataikoku.

The Democratic Republic of São Tomé and Príncipe is an island country in Africa.