This is the 90th most frequent Russian word.
района
The word "района" is the genitive singular form of "район," which means "district" or "area" in English.
In this sentence, "района" is in the genitive case and is used to indicate possession, showing the neighborhood to which the streets belong.
Я гуляю по улицам своего района.
I am walking through the streets of my neighborhood.
Here, "района" expresses the location, specifying that the café is situated within the district.
Новое кафе открылось в центре района.
A new café opened in the center of the district.
In this example, "района" also appears in the genitive case, describing the object being observed from a distance.