What is capital city?

A capital city is the official seat of government of a country or state. It is the city where the government's main institutions, such as the parliament, the president's office, and the supreme court, are located. The capital city is often the largest and most important city in the country, and it is often the center of political and economic activity.

Some examples of capital cities are:

* London, the capital city of the United Kingdom

* Paris, the capital city of France

* Washington, D.C., the capital city of the United States

* Beijing, the capital city of China

* Tokyo, the capital city of Japan

Capital cities are often chosen because of their strategic location, such as their proximity to natural resources or their position on a major trade route. They may also be chosen because they have a long history and cultural significance.