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The DDTM (or Direction Départementale des Territoires et de la Mer, which roughly translates in English to the Department for Land and Coastal Management) is a decentralized department of the French State, created on 1 January 2010. It comes under the authority of the department prefect. The DDTM is involved in the fields of housing, urban renewal, agriculture, fisheries and maritime activities, the prevention of natural hazards and the promotion of sustainable development.