Brunei is the island nation that is located off the tip of the Malay Peninsula.
Bahrain is a small nation located on a smaller peninsula on the eastern side of the larger Arabian Peninsula.
The Potawatami Tribe
Bahrain
Denmark
Norway is a nation that is part of the Scandinavian peninsula. It is located in between Sweden and Finland.
Singapore
Two states are represented on the Jutland Peninsula; Denmark and Germany - out of those Denmark is the clearly smallest country/nation, but Denmark hold the majority of Jutland's surface area.
The nation of Sri Lanka is located in the Indian Ocean, just off the coast of the Indian subcontinent. It has a population of about 20 million and gained its independence in 1948.
The acient grease peninsula is located on the Balkan peninsula
Athens is located on the Attica peninsula.
The largest nation, in terms of land area, on the Arabian Peninsula is Saudi Arabia.