Polish is the main language of SJZ Gliwice facebook group. It is a CLOSED group. They attracted 313 members. So it is a Small group. 413673158705118 is the identifier of this group with Facebook. 2015-02-04 09:10:03 is the closest date we have information about it.
Grupa przeznaczona dla osób przemieszczających się na trasie Jastrzębie Zdrój (+okolice) - Gliwice.