IVA 2019 will be held in the CNRS headquaters. 
CNRS, 3 rue Michel-Ange, 75016 Paris.
It is located within Paris, in the south west 16th district)
It is just next door to the metro station "Michel-Ange Auteuil" on lines number 8 and 9.
(return may require that you get in the metro at the "Auteuil Molitor" station). 
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