COST is the longest-running European framework for support of transnational collaboration amongst researchers, engineers and scholars throughout Europe. SUB-URBAN has partners from all over Europe and international partners from Israel, Russia, Bangladesh and Hong Kong. Partners from the Netherlands are the Hanze University of Applied Sciences, the municipality of Rotterdam and Deltares.

The objective of the Sub-Urban network is to coordinate, integrate and accelerate worldwide research on modelling the subsoil in Europe and to develop a toolbox for disseminating subsoil knowledge. This also involves research on the subsoil related to climate change.