The International IEEE Conference on Nanotechnology is taking a journey to Rome, the Eternal City. It is the 15th edition of the flagship annual event of the IEEE Nanotechnology Council. IEEE NANO 2015 will provide an international forum for the exchange of technical information in a wide variety of branches of nanotechnology and nanoscience, through feature tutorials, workshops, and track sessions; plenary and invited talks from the world most renowned scientists and engineers; exhibition of software, hardware, equipment, materials, services and literature. With its fantastic setting in the center of the Eternal City, at a walking distance from Colosseum and the most exciting locations of ancient Rome, IEEE NANO 2015 will provide a perfect forum for inspiration, interactions and exchange of ideas.