There's at least one piece of Germany inside of Switzerland: https://en.wikipedia.org/wiki/B%C3%BCsingen_am_Hochrhein https://en.wikipedia.org/wiki/B%C3%BCsinge

There's at least one piece of Germany inside of Switzerland: https://en.wikipedia.org/wiki/B%C3%BCsingen_am_Hochrhein https://en.wikipedia.org/wiki/B%C3%BCsingen_am_Hochrhein There are a few others: https://en.wikipedia.org/wiki/List_of_enclaves_and_exclaves https://en.wikipedia.org/wiki/List_of_enclaves_and_exclaves