Topic summary
Administrative counties

Extracted from the Wikipedia article Administrative county.
Ireland
In Northern Ireland the administrative counties were replaced by a system of 26 districts on 1 October 1973. Section 131 of the Local Government Act (Northern Ireland) 1972 stated that "every county and every county borough shall cease to be an administrative area for local government purposes". The areas of the former administrative counties (and county boroughs) remain in use for Lieutenancy purposes, being defined as the areas used "for local government purposes immediately before 1 October 1973, subject to any subsequent definition of their boundaries …".