The Association of Local Government Archaeological Officers, or ALGAO, functions as a body to represent archaeologists working for local authorities and national parks in the United Kingdom

United Kingdom

The United Kingdom of Great Britain and Northern IrelandIn the United Kingdom and Dependencies, other languages have been officially recognised as legitimate autochthonous languages under the European Charter for Regional or Minority Languages...

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ALGAO resulted from the merger of the Association of County Archaeological Officers (ACAO) and the Council of District Archaeological Officers (CDAO) in 1996. These organisations, and consequently ALGAO, were centred on England

England

England is a country that is part of the United Kingdom. It shares land borders with Scotland to the north and Wales to the west; the Irish Sea is to the north west, the Celtic Sea to the south west, with the North Sea to the east and the English Channel to the south separating it from continental...

 and Wales

Wales

Wales is a country that is part of the United Kingdom and the island of Great Britain, bordered by England to its east and the Atlantic Ocean and Irish Sea to its west. It has a population of three million, and a total area of 20,779 km²...

. This situation remained until ALGAO merged with the Association of Regional and Island Archaeologists (ARIA) in 2006, who until that point represented archaeologists performing similar duties in Scotland

Scotland

Scotland is a country that is part of the United Kingdom. Occupying the northern third of the island of Great Britain, it shares a border with England to the south and is bounded by the North Sea to the east, the Atlantic Ocean to the north and west, and the North Channel and Irish Sea to the...

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The organisations ALGAO:Cymru, ALGAO:Scotland, and ALGAO:England were formed to serve the constituent regions.