1. An area of land that is adjacent to a border or boundary, typically between two countries, states, or territories
The bordered region between Mexico and the United States has unique cultural characteristics.
A região fronteiriça entre México e Estados Unidos tem características culturais únicas.
2. A geographic area that is marked or defined by a border or boundary line
Trade agreements often apply differently in the bordered region.
Os acordos comerciais frequentemente se aplicam de forma diferente na região fronteiriça.