This is the 17919th most frequent Polish word.
łódzkich
"Łódzkich" means "of Łódź" or "related to Łódź" (a city in Poland) in its plural form.
Here, 'łódzkich' acts as an adjective describing 'dzielnicach' (districts), indicating that they belong to or are related to the city of Łódź.
Zwiedziliśmy wiele interesujących zabytków w łódzkich dzielnicach.
We visited many interesting landmarks in the districts of Łódź.
In this sentence, 'łódzkich' modifies 'parków' (parks), specifying the parks as those located in or associated with the city of Łódź.
Podczas wycieczki podziwialiśmy krajobrazy łódzkich parków.
During the trip, we admired the landscapes of Łódź parks.
Here, 'łódzkich' directly relates to 'fabryk tekstylnych' (textile factories), showcasing that these factories are situated in or pertain to the city of Łódź.