Apart from health-related cannabis, cannabis is unlawful in Germany. In-spite of this, the legislation is quite lenient about the leisure use of marijuana. In the event the police discover you carrying 15g or less of weed, they're going to choose you down to the station for mugshots and questioning. https://where-to-get-weed-in-fran36802.webbuzzfeed.com/30847373/where-to-get-weed-in-frankfurt-an-overview