TEDxHHL 2017 will be held in the Halle A of "Werk 2 - Kulturfrabrik Leipzig e.V." (Kochstraße 132, 04277 Leipzig). The "Werk 2" is one of the leading event venues in the typical Leipzig industrial style. It has the perfect flair for a TEDx event and a cosy and cool get together afterwards. Please check the pictures from last year event held in October 2016: Impressions 2016. You can find further information on the venue here: Werk2.
Sources: "Werk 2 - Kulturfabrik Leipzig e.V." & Deutschland-Locations.info