Heinrich-Heine-Gymnasium is the Gymnasium in Germany in Germany founded in 1969.
According to PR-model, hhg-mettmann.de is ranked 2,528,038th in multilingual Wikipedia, in particular this website is ranked 351,226th in German Wikipedia.
The website is placed before amprexinternational.com and after familienbildung-deutschland.de in the BestRef global ranking of the most important sources of Wikipedia.
