This is the 4101st most frequent Russian word.
петербурга
The word "петербурга" is the genitive case of "Петербург" (Petersburg), meaning "of Petersburg" in English.
In this case, 'петербурга' shows possession or association, also in the genitive case.
Красота архитектуры Петербурга вдохновляет.
The beauty of Saint Petersburg's architecture is inspiring.
Here, 'петербурга' indicates 'center of Petersburg', utilizing the genitive case to describe location.
В центре Петербурга много исторических зданий.
There are many historical buildings in the center of Saint Petersburg.
Here, 'петербурга' is used in the genitive case to indicate origin.