sentences:  Wilstone reservoir, one of the four Tring reservoirs, lies close to the village.It is believed by historians that Wilstone began under the name of Wyvellsthorn somewhere around the 6th century but there has been evidence that the area has been settled long before then as a Roman coin with the face of Publius Metilius Nepos, a Roman Governor of Britain from AD96 to AD98, has been found in the village and ancient pottery has been found near the reservoir.Wilstone has mostly remained the same over the past couple of centuries.