Grupa 13 (wytwórnia filmowa) is the commercial organization in Poland founded in 2000.
According to PR-model, grupa13.com is ranked 2,015,700th in multilingual Wikipedia, in particular this website is ranked 99,594th in Polish Wikipedia.
The website is placed before ww2study.com and after lequipe21.fr in the BestRef global ranking of the most important sources of Wikipedia.