The European Mission Soil Week, organised by the European Commission, Directorate-General for Agriculture and Rural Development (DG AGRI) in the context of the Mission Soil together with the EU funded project PREPSOIL and the Joint Research Centre - EU Soil Observatory (EUSO) was held from 21 to 23 November 2023 and hosted by INIA-CSIC at the central facilities of the Spanish National Research Council (CSIC) in Madrid, Spain, under the Spanish Presidency of the EU Council. PREPSOIL presented its work towards supporting the Mission Soil with the following presentation on: Identifying soil needs: the PREPSOIL regional approach Soil needs assessment in 20 European regions: method and key results Implications for stakeholder interaction, living labs, monitoring, science-policy