no-go area

English Thesaurus

1. an area that is dangerous or impossible to enter or to which entry is forbidden (noun.location)

hypernym	:	area, country,
definition	:	a particular geographical region of indefinite boundary (usually serving some special purpose or distinguished by its people or culture or geography) (noun.location)

domain region	:	britain, great britain, u.k., uk, united kingdom, united kingdom of great britain and northern ireland,
definition	:	a monarchy in northwestern Europe occupying most of the British Isles; divided into England and Scotland and Wales and Northern Ireland; `Great Britain' is often used loosely to refer to the United Kingdom (noun.location)