Oran

Oran's relationship with its port is particularly evident in Sidi El Houari, the historic district that includes the Marine and Calère neighbourhoods. Architectural research treats their streets and built fabric as part of a connected city–port system, where the relationship between the waterfront and the older city is a central issue of urban rehabilitation.

A different pattern appears in the eastern extensions. Large housing complexes have accommodated urban growth, shaped by state planning instruments and housing programmes. Studies of these extensions identify a tension between meeting quantitative housing targets and producing coherent urban environments. Oran consequently contains markedly different scales of development, from historic port neighbourhoods to extensive planned residential districts.