Woodstock is a small town and "civil parish" (municipality) in the English county of Oxfordshire, West Oxfordshire district, about 12 kilometers north of Oxford. Woodstock has 2,924 inhabitants (2001). The river glyme divides the place in the districts of New and Old Woodstock. On its territory is Blenheim Palace, residence of the Dukes of Marlborough and the largest castle in England, which was not built for the royal family. It is a UNESCO World Heritage Site. There, in 1874, Winston Churchill was born, whose grave is in the nearby village of Bladon. Woodstock is the headquarters of the International Medical Group Owen Mumford.