1. An area of land or territory that has been systematically examined, measured, or studied through a survey
The surveyed region showed significant population growth over the past decade.
A região pesquisada mostrou crescimento populacional significativo na última década.
2. A geographical area that has been the subject of a formal survey or investigation
The surveyed region includes three counties along the coastal plains.
A região pesquisada inclui três condados ao longo das planícies costeiras.