Except professional medical marijuana, cannabis is illegal in Germany. In-spite of this, the regulation is very lenient over the recreational usage of marijuana. If the law enforcement locate you carrying 15g or less of weed, they are going to choose you down to the station for mugshots and questioning. https://cannabis-crew.com/2023/10/10/how-to-order-weed-online-in-frankfurt-germany-as-a-tourist/