1. An area or territory that has not been officially named, classified, or assigned a specific designation or purpose
The undesignated region on the map remained unmapped and unexplored.
A região não designada no mapa permanecia não mapeada e inexplorada.
2. In administrative or legal contexts, an area without formal designation or official status
The government decided to develop policies for the undesignated region.
O governo decidiu desenvolver políticas para a região não designada.