Markham—Unionville could refer to:
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Markham—Unionville (federal electoral district)
Markham—Unionville is a federal electoral district (Canada), electoral district in Ontario, Canada, that has been represented in the House of Commons of Canada since 2004.
Boundaries
Markham—Unionville is located in the Markham, Ontar ...
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Markham—Unionville (provincial electoral district)
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