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This research presents a geomorphological map of the Entella River floodplain (scale 1:10,000), one of the largest and urbanized Ligurian Tyrrhenian flat area. The coastal floodplain suffered substantial modifications due to human activities since the latter half of the nineteenth century, which transformed the natural landscape into an anthropogenic environment. Fluvial, marine and anthropogenic geomorphological features have been investigated through a multi-temporal analysis and the reviewing, re-elaboration and summarization of previous geographical and geomorphological materials. An historical analysis has been performed to reconstruct morphological modifications and their correlation with anthropogenic interventions. The main geomorphological map includes a multi-temporal analysis of shoreline and major anthropogenic landforms. Small sketch maps on the geographical, geological and land use settings are also provided. The detailed geomorphological map can be used for urban and land planning, including the mitigation of the meteo- and geo-hydrological risk, which historically has dramatically influenced the Entella coastal floodplain. [ABSTRACT FROM AUTHOR]