The meeting will be held on the premises of Strasbourg University, at the interface of the historical and modern campuses.
The plenary sessions will take place in the Conference Room of the Maison Interuniversitaire des Sciences de l'Homme Alsace (MISHA). For splinter sessions we will meet at Strasbourg Astronomical Observatory.
The two locations are less than 5 minute walking distance from each others. The closest tram station is "Observatoire" and is served by line C (from the main railway station) and by lines E and F. See more info on public transport here and tram map here.