This is the 4058th most frequent German word.
wohnhäuser
Residential houses.
Here, 'Wohnhäuser' is used in the nominative plural form to describe multiple residential buildings.
In der Stadt gibt es viele schöne Wohnhäuser.
In the city, there are many beautiful residential buildings.
'Wohnhäuser' is used to refer generically to residential properties within a given area, in this case, 'Altstadt'.
Die Wohnhäuser der Altstadt sind oft sehr alt und historisch.
The residential buildings of the old town are often very old and historic.
In this sentence, 'Wohnhäuser' is used to denote newly built houses intended for residential purposes.