Local authority · N09000003

Belfast

In use

Belfast is a local authority in Northern Ireland, published in boundary releases since December 2018.

The May 2026 boundary, generalised to about 100 m.

Code
N09000003
Kind
Local authority
Area
137 km²
Population
352,390Mid-2024 estimate
In use
2018 to now

Where it sits

Grouping of councilsBelfast, Belfast Metropolitan Area
CountryNorthern Ireland

What it contains

Neighbours

3 local authorities share a border with Belfast, longest border first.

Data published for it

14 of the Atlas's datasets publish figures for Belfast itself.

Ask the API

Everything on this page comes from the UK Data Atlas API's geography resolver. These requests return it, for the May 2026 release.

  • The areaDocs
    GET/v1/areas/localAuthority/2026-05-uk-bgc/N09000003
  • Its boundaryDocs
    GET/v1/areas/localAuthority/2026-05-uk-bgc/N09000003/geometry?tier=medium
  • Its historyDocs
    GET/v1/areas/localAuthority/2026-05-uk-bgc/N09000003/history
  • What it sits withinDocs
    GET/v1/areas/localAuthority/2026-05-uk-bgc/N09000003/parents
  • What it containsDocs
    GET/v1/areas/localAuthority/2026-05-uk-bgc/N09000003/children
  • Its neighboursDocs
    GET/v1/areas/localAuthority/2026-05-uk-bgc/N09000003/neighbours
  • What you can ask about itDocs
    GET/v1/areas/localAuthority/2026-05-uk-bgc/N09000003?include=capabilities