Capital Region, also National Capital Region, is a common term for the region or district surrounding the capital city a country or any other administrative division. It is not always the official term for the region, but may sometimes be used as an informal synonym.

The official term Región Capital (Spanish: Capital Region) is used for one of the administrative regions of Venezuela.

Country examples include:

Capital region name	Country
Australian Capital Territory	Australia
Brussels-Capital Region	Belgium
National Capital Region	Canada
Copenhagen Capital Region	Denmark
Île-de-France (the region including Paris and the departments that surround it)	France
National District	Dominican Republic
National Capital Region / National Capital Territory of Delhi	India
National Capital Region	Japan
National Capital Region	Philippines
Seoul National Capital Area	South Korea
National Capital Region	United States

The term is also used by some subnational entities as follows:

Capital region name	Subnational entity
Capital Regional District	British Columbia
Capital District	New York
Harrisburg metropolitan area	Pennsylvania
National Capital Region (Quebec City)	Quebec