Chief, in a political sense, as being the seat of the general government of a state or nation; as, Washington and Paris are capital cities.

The seat of government; the chief city or town in a country; a metropolis.

City that is the seat of government.

The most important city in a country

the city where a nation or a state’s central government resides

Refers to the capital city of the state: Salem is the capital of Oregon.

city that is home to a state or national government

capital city is where a country or state's government offices are located.

In politics, a capital (also called capital city or political capital — although the latter phrase has a second meaning based on an alternative sense of "capital") is the principal city or town associated with a country's government. It is almost always the city which physically encompasses the offices and meeting places of the seat of government and fixed by law.