This is the 7683rd most frequent Polish word.
lubinie
"Lubinie" is not a standalone word in Polish; it may refer to a form of the word "Lublin" (a city) or "lubić" (to like). Context is needed for clarification.
Here, 'Lubinie' is the locative case of the place name 'Lubin', used to indicate location when paired with prepositions such as 'w' (in).
Mieszkam w Lubinie.
I live in Lubin.
'Lubinie' again demonstrates the locative case for the city name, indicating location within the city where the event occurs.
Zachęcam do udziału w festiwalu w Lubinie.
I encourage participation in the festival in Lubin.
This usage of 'Lubinie' is in the locative case, forming a question about places one visits, implying location.