1. An area or region that has been officially designated, recognized, or set up for a specific purpose and has been in existence for some time
The established zone for industrial development has clear regulations and infrastructure.
A zona estabelecida para desenvolvimento industrial possui regulações claras e infraestrutura.
2. A legally defined area within which certain rules, activities, or permissions apply
The free trade established zone attracts many international businesses.
A zona de livre comércio estabelecida atrai muitos negócios internacionais.
3. A territory where boundaries and jurisdictional authority have been formally determined
The established zone includes five municipalities under the same administration.
A zona estabelecida inclui cinco municípios sob a mesma administração.