1. An area of land that has been developed with buildings and infrastructure, typically in or near a city or town
The built-up area of the city extends for several kilometers.
A área urbanizada da cidade se estende por vários quilômetros.
2. A region characterized by dense construction and human settlement as opposed to rural or undeveloped land
Traffic congestion is common in built-up areas during rush hour.
O congestionamento é comum em áreas urbanizadas durante a hora de pico.