1. The United Kingdom of Great Britain and Northern Ireland, commonly referred to as the UK, is the full name of the country. Its capital city is London. The citizens of the UK are known as British.2. Italy's capital city is Rome, and the inhabitants with Italian nationality are referred to as Italians.3. Sweden's capital city is Stockholm, and the people with Swedish nationality are known as Swedes.4. Russia's capital city is Moscow, and the individuals with Russian nationality are called Russians.