Zuid-Holland West (literally West South Holland) is an official region of the province of South Holland in the Netherlands. It consists of the following subregions: * Haaglanden, municipalities: Delft, Den Haag, Leidschendam-Voorburg, Midden-Delfland, Pijnacker-Nootdorp, Rijswijk, Wassenaar, Westland and Zoetermeer * Regio Holland Rijnland, municipalities: Hillegom, Kaag en Braassem, Katwijk, Leiden, Leiderdorp, Lisse, Noordwijk, Noordwijkerhout, Oegstgeest, Teylingen, Voorschoten and Zoeterwoude