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Related to Dunbartonshire: Dumbartonshire
former county, W central Scotland. Under the Local Government Act of 1973, the county of Dumbartonshire (or Dumbarton) became (1975) part of the new Strathclyde region.
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a historical county of W Scotland: became part of Strathclyde region in 1975; administered since 1996 by the council areas of East Dunbartonshire and West Dunbartonshire