The first condition you must meet to have an international licence issued in Poland is a Polish driving licence. If you have already got it, you will need to apply for converting it into Polish one in your local district office /transport department (WYDZIAŁ KOMUNIKACJI at your local office* with:
PKK form (you need to choose which pattern of international licence you need)
a recent colour photo (35×45 mm)
valid Polish driving licence
the confirmation of the payment for issuing the international driving licence (35 PLN) (if you need two documents- one according to Vienna convention requirements and one according to Geneva convention – you need to pay 70 PLN)
https://www.gov.pl/web/gov/uzyskaj-miedzynarodowe-prawo-jazdy