1. A geographical area characterized by a concentration of manufacturing facilities, factories, and industrial enterprises
The industrial region around São Paulo is one of the largest in South America.
A região industrial ao redor de São Paulo é uma das maiores da América do Sul.
2. An area with significant economic activity centered on production and manufacturing
The industrial region experienced rapid growth during the 1980s.
A região industrial experimentou rápido crescimento durante a década de 1980.