This is the 10090th most frequent Polish word.
białostoczanka
A woman from Białystok.
In this context, 'białostoczanka' denotes a female person originating from Białystok, emphasizing her local ties.
Anna jest białostoczanką, która mieszka tu od urodzenia.
Anna is a woman from Białystok who has lived here since birth.
Here, 'białostoczanka' identifies the regional origin of the woman encountered, enhancing the specificity of her background.
Spotkałem białostoczankę w parku, której historia bardzo mnie zainteresowała.
I met a woman from Białystok in the park whose story interested me greatly.
This use of 'białostoczanka' highlights her familiarity with Białystok, linking her knowledge to her identity tied to the city.