This is the 8664th most frequent Polish word.
raciborowicach
"Raciborowicach" is the locative case of "Raciborowice," a village name in Poland, used to indicate location ("in Raciborowice").
In this sentence, 'Raciborowicach' is used in the locative case, indicating the location where the action occurs.
Byłem w Raciborowicach z rodziną na wakacjach.
I was in Raciborowice with my family on vacation.
Here, 'Raciborowicach' is also in the locative case, used within a question asking about the location's features.
Czy w Raciborowicach są jakieś ciekawe miejsca do odwiedzenia?
Are there any interesting places to visit in Raciborowice?
Once more, 'Raciborowicach' is locative, specifying the place referred to in the context of the speaker's considerations.