This Layer contains the Horizontal Vulnerability Map of the transboundary aquifer located within the Skadar/Shkoder - Buna/Bojana area shared by the two countries elaborated in the context of the Pilot Project "Design and testing of a multipurpose transboundary groundwater monitoring network in the Extended Drin River Basin" (DRIN) 2017 – 2020.Horizontal vulnerability refers to the vulnerability to salt water intrusion. For each polygon of the map, the numeric value of the Horizontal Vulnerability class is in the field HV.