Dall’O’, Giuliano2021-09-142021-09-142022-11-262021-09-142022-11-262020978-3-030-4107410.007/978-3-030-41072-8_16https://orlis.difu.de/handle/difu/582448The sustainability and the smartness of cities must be objectively measured starting from real observations. Only in this way is it really possible to measure progress or identify critical elements of the development policies adopted. This chapter addresses the issue of indicators and rating systems that can be constructed from them. After a general introduction on the indicators, international standards designed to promote sustainability in cities and to support actions related to SDGs will be analysed. Subsequently, the most widespread ranking systems will be considered, and some case studies of their application will be proposed.Aufsatz aus Sammelwerk978-3-030-41072-8Nachhaltige StadtentwicklungSmart CityBewertungskriteriumNachhaltigkeitBewertungMonitoringIndikatorensystemISOSustainable Development Goals