This article belongs to the continuity of the Dark Shadows movies.

Cadogan Square is residential square in Knightsbride, west London, named after Earl Cadogan. Barnabas Collins told the Collins family that he had been living in a house on Cadogan Square prior to coming to America in 1970.

In the Revival Series, Barnabas Collins also told the Collins family of 1991 that he had previously been living on Cadogan Square.

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