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Sports teams
Quidditch

Grodzisk Goblins 

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Notes

There are several towns and villages with the name "Grodzisk" in Poland. Grodzisk Wielkopolski is the home of a football club, but otherwise there are no other sports teams (including Quidditch) listed in any of their Wikipedia entries (Wikipedia).

From the Web

Pottermore feature: Quidditch collection

Harry Potter Wiki: Quidditch

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