St. John's is the capital city of Antigua and Barbuda. St. John's has a population of 81,799 people.
St. Louis is a city in the state of Missouri in the United States of America. It has a population of around 2.8 million.
Stockholm is the capital of Sweden. It has a population in the wider metropolitan area of around 2.1 million.
Sucre is the capital of Bolivia. It has a population of around 225,000.
Suva is the capital of Fiji. It has a population of around 175,000.
Sydney is the capital of the state of New South Wales (NSW) in Australia. It has a population of around 4.6 million people.