Warmond is a village and former municipality in the Western Netherlands, north of Leiden in the province of South Holland. The municipality covered an area of 14.42 km2 (5.57 sq mi), of which 4.42 km2 (1.71 sq mi) is water; had a population of 4,977 in 2004. Together with Sassenheim and Voorhout, it became part of the Teylingen municipality on 1 January 2006. Warmond, which is located in an area called the "Dune and Bulb Region", is notable for being very affluent.