your ID: 0113 First Name: Matteo Last Name: Guainazzi Affiliation: European Space Astronomy Center of ESA Title: Whereabout of cold and hot gas in obscured AGN Authors: Matteo Guainazzi, Stefano Bianchi Topic: 6 Session: oral Abstract: In this talk we review the constraints on the location, on the physical and geometrical properties of gas in the AGN circumnuclear environment as derived from recent results on: a) X-ray variability for obscured and reprocessed spectral features; b) spatial coincidence between diffuse soft X-ray emission and NLR - as traced by HST O[III] maps - on scales as large as hundreds parsecs; c) correspondence between optical reddening and X-ray obscuration in Compton-thin obscured AGN.