The region Provence-Alpes-Côte d’Azur (PACA) is located in the south-east of France surrounded by the Mediterranean sea and the mountains of the Alps. The area is the 4th largest French region for eco-industries, with three international water groups and a large proportion of SMEs (94%) and start-ups. Overall, around 5000 people work in the water sector in the region. Éa éco-entreprises is a specialised cluster in environmental and sustainable development that has more than 140 members, of which 65% are SMEs.