Convergence toward the 2030 UN Agenda of Sustainable Development Goals forms a major challenge, among others, for libraries, reflecting their renewed and enlarged role within contemporary societies. The present paper presents the Hellenic Parliament Library outreach programme as a tool for openness, transparency and inclusion, as it is implemented in two emblematic buildings, the Parliament Mansion and the former Public Tobacco Factory, and according to versatile target-groups (educational community, local society and various communities of practice, vulnerable social groups, remote users).