Berlin is the capital city of Germany and one of the 16 states of Germany. With a population of 3.3 million people, Berlin is Germany's largest city and is the second most populous city proper in the European Union.

Brasilia is the federal capital of Brazil and the seat of government of the Federal District. Administratively, the city is located in the Federal District which is in the Central-West Region. Physically, it is located in the Brazilian Highlands.

Cape Town is the second-most populated city in South Africa after Johannesburg, and the provincial capital and primate city of the Western Cape. As the seat of the National Parliament, it is also the legislative capital of the country.

Johannesburg also known as Jozi, Jo'burg, Joni, eGoli or Joeys, is the largest city in South Africa, by population.

London is the capital of England and the United Kingdom. With an estimated 8,173,194 residents as of 2011, London is the most populous region, urban zone and metropolitan area in the United Kingdom.

Moscow is the capital city and the most populous federal subject of Russia. The city is a major political, economic, cultural and scientific center in Russia and in Eurasia.

Naples, a city in southern Italy, sits on the Bay of Naples. Nearby is Mount Vesuvius, the still-active volcano that destroyed nearby Roman town Pompeii.

New York is the most populous town in the United States and the center of the New York Metropolitan Area, one of the most populous urban agglomerations in the world.

Paris is the capital and most populous city of France. It is situated on the river Seine, in the north of the country, at the heart of the Ile-de-France region.

Rome is a city and special comune in Italy. Rome is the capital of Italy and also of the homonymous province and of the region of Lazio.

Sao Paulo is the largest city in Brazil, the largest city proper in the southern hemisphere and the Americas and the world's seventh largest city by population.

Washington is a state in the Pacific Northwest region of North America located north of Oregon, west of Idaho, and south of the Canadian province of British Columbia on the coast of the Pacific Ocean.