The 23rd International Conference on High Resolution Molecular Spectroscopy will be held in Bologna, Italy, from Tuesday, September 2nd, to Saturday, September 6th, 2014, with Professor Walther Caminati as principal organizer. The conference venue will be the Department of Chemistry of the university, located in central Bologna. Accommodation will be available in the dormitories of the university and in boarding houses and hotels near the conference venue.