Voorburg is a town and former municipality in the west part of the province of South Holland, Netherlands. Together with the town Leidschendam and the village Stompwijk, it merged into the municipality of Leidschendam-Voorburg in 2002. Situated adjacent to the city of The Hague, it is often regarded as one of its suburbs. Voorburg is considered to be one of the oldest towns in the Netherlands. It celebrated its 2000th year of existence in 1988.