Sassenheim is also the German name for Sanem, Luxembourg.Sassenheim (Dutch pronunciation: [ˈsɑsə(n)ɦɛim]) is a town and former municipality in the western Netherlands, in the province of South Holland.The former municipality covered an area of 6.62 km² (of which 0.23 km² water) and had a population of 14,906 in 2005.