This publication explores the urban territories of Copenhagen, often identified as the world’s most sustainable and liveable city. Such claims position it as an opportune site to engage in a wider debate on contemporary urban ideals, prompting questions about the nature of sustainability and liveability. Yet the increasing authority attributed to city-ranking metrics prompts a second line of inquiry. How are the territorial and conceptual limits of a city drawn to define it as an object of measurement, and how does this impact our understanding of something as complex and manifold as a city? This series of texts, maps, and infographics offers reflection on these themes across multiple Copenhagens.