1. An area of land or a location designated and legally safeguarded to preserve its environmental, cultural, historical, or archaeological value
The ancient ruins have been declared a protected site by UNESCO.
As ruínas antigas foram declaradas um sítio protegido pela UNESCO.
2. A location that is legally restricted from development, modification, or public access to maintain its integrity
The wetland ecosystem is a protected site that cannot be drained for construction.
O ecossistema de zona húmida é um sítio protegido que não pode ser drenado para construção.