No-go area

A "no-go area" or "no-go zone" is a term used in several distinct contexts to describe a geographic area considered off-limits or too dangerous to enter.

In its original military and political sense, the term refers to an area where state authorities have lost effective control, either because of official exclusion, such as a government-declared border zone or military exclusion zone, or because a violent non-state actor such as an insurgent group, terrorist organization, or criminal syndicate has established de facto control. In some cases, these areas have been held by insurgent organizations attempting to topple the government, such as Free Derry, an area in Northern Ireland that was held by the Irish Republican Army from 1969 to 1972. In other cases, the areas simply coexist alongside the state; an example is Kowloon Walled City, an area in Hong Kong essentially ruled by triad organizations from the 1950s to the 1970s.

Since the early 21st century, the term has also been used in political and media discourse to describe urban neighborhoods in Western countries that police or emergency services consider dangerous or difficult to operate in without backup. Government officials and journalists from various European countries, including France and Germany, have used the term to describe neighborhoods within their own countries. This usage is contested, generating significant debate over which areas, if any, are truly off-limits to police.

A further usage, promoted by some right-wing commentators and politicians, falsely claims that certain Western neighborhoods operate under sharia law and exclude non-Muslims. This claim has been widely debunked and retracted by major news outlets.