municipal health service municipal health service in the european netherlands, a municipal health service (dutch: gemeentelijke gezondheidsdienst, ggd) is a decentralised public health organisation. legally, the responsibility for the provision of this service lies with the municipalities. however, in practice, the municipalities work together to provide this service at a regional level, resulting in twenty-five "ggd regions". the borders of the ggd regions largely correspond to the borders of the safety regions. logo of ggd hollands midden ggd ghor nederland is the national umbrella organisation of the twenty-five municipal health services and regional medical assistance organisations (ghor). tasks covid-19 testing site of ggd kennemerland at schiphol airport common tasks of the municipal health services include: children's preventive healthcare infectious disease control health promotion environmental medicine medical screening travel medicine std testing covid-19 pandemic during the covid-19 pandemic in the netherlands, the municipal health services have been tasked with setting up large testing and vaccination sites across the country. they also bear the responsibility for carrying out contact tracing. ggd regions map of the ggd regions no. municipal health service province head office(s) 1 ggd groningen groningen groningen 2 ggd fryslân friesland leeuwarden 3 ggd drenthe drenthe assen 4 ggd ijsselland overijssel zwolle 5 ggd twente enschede 6 ggd noord- en oost-gelderland gelderland warnsveld 7 ggd gelderland-midden arnhem 8 ggd gelderland-zuid nijmegen & tiel 9 ggd regio utrecht utrecht zeist 10 ggd hollands noorden north holland alkmaar 11 ggd zaanstreek-waterland zaandam 12 ggd kennemerland haarlem 13 ggd amsterdam amsterdam 14 ggd gooi en vechtstreek bussum 15 ggd haaglanden south holland the hague 16 ggd hollands midden leiden & gouda 17 ggd rotterdam-rijnmond rotterdam 18 ggd zuid-holland-zuid dordrecht 19 ggd zeeland zeeland goes 20 ggd west-brabant north brabant breda 21 ggd hart voor brabant 's-hertogenbosch & tilburg 22 ggd brabant-zuidoost eindhoven 23 ggd limburg-noord limburg venlo 24 ggd zuid-limburg heerlen 25 ggd flevoland flevoland lelystad