>"Carmen is located in the Krakow.
Przed nazwami miast nie stawia się przedimków.
>There is very beautiful. there is stylish decoration.
It is decorated in a very beautiful and stylish way.
Albo: The decor is very beautiful and stylish.
chef
>offers tasty and posh food. it is served on the elegant plates.
The chef offers tasty and posh food. It is served on elegant plates.
>Carmen is relaxed and friendly atmosphere
Carmen has/offers a relaxed and friendly atmosphere.
Nie wiem na jakim poziomie jesteś, ale możesz spróbować połączyć niektóre zdania, bo wszystkie są bardzo proste.