While Mazagão represents the long-lasting Portuguese new settlement in Northern Africa (1514-1769), the Portuguese urban experience was mainly made by the occupation of existing Muslim cities. In fact, between 1415 and 1513, six coastal cities were seized from the kingdoms of Fes and Marrakesh (today Morocco). These establishments undertook an occupational praxis over pre-existent Islamic fabrics and implied a re-dimensioning and street layout revision. Case studies present, nevertheless, different perspectives in terms of how the narrow Portuguese stratum marked their urban image at a time when urban concepts and practices were being modernized through the experience with the founding of medieval new towns and the renovating hygienist sp...