In Recent Years, The Analysis of Floods Has Changed its Focus from A Pure Hydraulic Study to a Complex Analysis of the Relationship Between The River Or Or Stream and The Territory, Whatre Each Region Has Its ITS GEOGRAPHICAL PARTY Based on This Initial Idea, What This Text Suggest is to analyze the Behaviour of Peri-Urban Areas of the Spanish Mediterranean Coast in Relation to Flood Risk, with A Holistic Approach.Focusing on Peri-urban Areas (The Diffusion City) is not only a need for the problems and characteristics, but also an Opportunity Because of the possibility they present to act this territorial planning and preventive measures. However, We Find Ourselves at A Time of Legislative Change and Lively Interest in Natural Risks, Given The Increasing Intensity and Recurrence of these Risks Due to Climate Change and Global Change. European Union is stressing the significant impact of natural hazards in Mediterranean Regions, Highlighting The Need to Reinforce Knowledge of How Floods Work in This particular context.For AllSe Reasons, This Book Provides A Morphological and Functional Characterisation of This Geographical Area, Identifying its Main Problems and Weaknesses in Front of Flooding, Working on Both at Regional and Local Scale, Taking Different Study Areas in The Province of Malaga That Reflect Reflect VariousPatterns territorial peri-urban.