1. A geographic or administrative area that lacks official records, legal documentation, or formal recognition by authorities
The refugee camp was located in an undocumented area with no clear jurisdictional oversight.
O acampamento de refugiados estava localizado em uma zona não documentada sem supervisão jurisdicional clara.
2. A region where residents lack proper identification documents or legal status
Many families live in undocumented areas on the outskirts of the city.
Muitas famílias vivem em zonas não documentadas nas periferias da cidade.
3. An area that exists outside formal administrative or legal frameworks
The settlement was considered an undocumented area by city planners.
O assentamento era considerado uma zona não documentada pelos planejadores urbanos.