This is the 7981st most frequent Polish word.
nadbużańskim
"Related to the area near the Bug River."
The word 'nadbużańskim' is used as an adjective describing the location of the house, emphasizing its proximity to the Bug River.
Mieszkałem kiedyś w nadbużańskim domku wśród natury.
I once lived in a little house near the Bug River, surrounded by nature.
Here 'nadbużańskim' functions as an adjective modifying the noun 'regionem,' indicating that the region is related or situated near the Bug River.
Nadbużańskim regionem bardzo interesują się turyści.
Tourists are very interested in the region near the Bug River.
In this sentence, 'nadbużańskim' is an adjective describing the forest, locating it close to the Bug River.