1. An area with clearly established or specified boundaries and characteristics
The defined region includes all territories within the marked borders.
A região definida inclui todos os territórios dentro das fronteiras marcadas.
2. In technical/scientific contexts, a specific area with predetermined parameters or limits
The study focused on a defined region of the brain.
O estudo se concentrou em uma região definida do cérebro.
3. A geographical or administrative area with clear demarcation
The defined region was established by the government decree.
A região definida foi estabelecida por decreto governamental.