The vocabulary of the Country Borders API

The 10 fields and concepts you'll meet in the response — defined in plain English, each with a real example value.

10 terms
General10

Sovereignty

The supreme authority of a state to govern itself within its borders without external interference.

Enclave

A territory entirely surrounded by another country or state.

Exclave

A portion of a country geographically separated from the main part by another country.

Landlocked

A country completely surrounded by land with no direct access to the sea.

ISO 3166

International standard for country codes, including 2-letter, 3-letter, and numeric codes.

Buffer State

A country located between two larger powers, providing strategic separation.

Schengen Area

A zone of 27 European countries that have abolished passport controls at their mutual borders.

Territorial Integrity

The principle that national borders should be respected and not changed by force.

Demarcation

The physical marking of a border on the ground, such as with fences or markers.

Maritime Border

A boundary between countries that extends into the sea, typically 12 nautical miles from the coast.

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