Mixture of Counties, Districts and Unitary Authorities. The authorities are represented in England by the Local Government Association.
Northern Ireland is divided into 26 single tier local government districts which are supported by the Northern Ireland Local Government Association (NILGA).
A planned Review of Public Administrations, reducing the number of councils to 11, has been postponed until at least 2014.
In Northern Ireland some functions, which in other parts of the UK would be undertaken by councils, are provided by government departments or agencies, for example education, social services, planning, road and water services. RPA may see Local Authorities (LA) taking on some of these functions.
There are 32 single tier local authorities which are supported by the Convention of Scottish Local Authorities (CoSLA).
Wales has a single tier of 22 local authorities, which are supported by the Welsh Local Government Associations (WLGA).