区

Ethiopian (zoogeographical region)

biosphere reserve (UNESCO)

special deregulation zone; special zone for structural reform

Inner Mongolia Autonomous Region (China)

Law

quasi-city planning area; zoning district in which special permission from the local governor or mayor is required for large-scale construction

central business district; CBD

densely inhabited district

no-trespassing area; restricted zone; no-go area

marine biogeographic region

Computing

service area boundary

Computing

adjacent message area

Ningxia Hui Autonomous Region (China)

Law

sediment-related disaster risk area

Australian (zoogeographical region)

District of Columbia; DC

Guangxi Zhuang Autonomous Region (China)

Computing

open marked section declaration

Law

specified complex tourist facilities area; area approved for containing integrated resorts with casinos

Law

housing land development construction regulated area; zoning area where residential land development is restricted in order to prevent land- and mudslides and requires approval from the prefectural governor

West Bank

Historical term

area around a red-light district where illegal prostitution occurred (marked on police maps by a blue line; 1940s-1956)

Rare term; Mathematics

complex interval

Obsolete term

aesthetic district (subject to planning restrictions); scenic zone