Wigan is a town in Greater Manchester in northwestern England. It is not a wig type, although the spelling often pulls it into wig-related search results.
Where it sits
Wigan is historically associated with Lancashire and lies between the Manchester and Liverpool areas. The wider borough includes Wigan, Leigh, and surrounding communities.
Why it appears here
People searching fast sometimes type "wigan" near "wig" queries, and search engines connect the spelling. But Wigan is a place name.
Bottom line
Wigan is in Greater Manchester, England. If you were looking for wigs, you probably meant wig, wig cap, or wig store instead.