in meiner Stadt

in my city

→ in
phrase Rare #43,247
in my city Used to refer to the city where the speaker lives or is based. The noun Stadt is feminine, so meiner is the dative form after in when describing location.
GE: In meiner Stadt gibt es einen großen Park.
EN: There is a large park in my city.

Was zum Teufel machst du in meiner Stadt?

What the hell are you doing in my city?

— The Wailing: Die Besessenen (2016)

In meiner Stadt gibt es viele Museen und Theater.

There are many museums and theaters in my city.

Die französische Firma hat eine neue Filiale in meiner Stadt eröffnet.

The French company has opened a new branch in my city.