trades hall

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File:Melbourne Trades Hall entrance.jpg, the oldest trades hall in the world]]

A trades hall is a building where trade unions meet together, or work from cooperatively, as a local representative organisation, known as a labour council or trades hall council.{{Cite web|url=https://www.dcceew.gov.au/parks-heritage/heritage/places/national/victorian-trades-hall|title=The Victorian Trades Hall|access-date=7 January 2024|publisher=Department of Climate Change, Energy, the Environment and Water}} The term is commonly used in England, New Zealand, Scotland and Australia. They are sometimes called a union hall, or labour temple in North America (see, for instance, Finnish Labour Temple, Labor Temple Building, Union Hall (Danforth, Maine), etc.)

They are sometimes colloquially called "the worker's parliament".