This document discusses the social validation of INSPIRE Annex III data structures in EU habitats using the example of the Liberec Region Geoportal. It provides an overview of the geoportal's role in connecting standard INSPIRE data with advanced applications and tools for data management, visualization, editing, and interlinking with other regional portals. It also describes some specific applications that have been built using the geoportal, including tools for flood management, waste management, and natural resource management.