1. An area or territory that is under international jurisdiction or control, often established by treaty or agreement between nations
The international zone at the airport is accessible to all travelers.
A zona internacional do aeroporto é acessível a todos os viajantes.
2. A designated area in a city or territory administered by multiple countries or international organizations
The international zone in the port was established to facilitate trade.
A zona internacional no porto foi estabelecida para facilitar o comércio.
3. In diplomacy, a neutral area where international negotiations or meetings take place
The conference was held in the international zone to ensure neutrality.
A conferência foi realizada na zona internacional para garantir neutralidade.