capitalcity

noun
UK /ˌkæpɪtl ˈsɪti/
US /ˌkæpɪtl ˈsɪti/

A capital city is the main city of a country where the government works.

Paris is the capital city of France.


OTHER MEANINGS

2. The city that is the official home of a state or regional government.

Albany is the capital city of New York State.

3. A city known as the most important or leading city in a field or region.

The town became the capital city of the local wine trade.

4. The headquarters city of an organization or group.

The company moved its capital city offices to the coast.