“Mapping Urban Informality in Tangier: Four Itineraries across the Formal-Informal Interface” is a mapping project by CLUSTER Cairo and Think Tanger that aims at understanding the relationship between formality and informality in the city of Tangier. Through prevailing themes such as housing, food markets, smuggled goods and recycling, the project aims at articulating the processes of informal practices within the medina, the modern city center and its outlaying suburbs. By following specific objects representing the above themes—the brick, the bottle, the local cheese and the smart phone—the tours unravel underlying urban questions facing the Tangier today, such as heritage preservation and gentrification, food supply-chains and rural-urban economies, waterfront redevelopment and global capital, as well as demolition and upgrading of informal housing.