Utrecht (province) the largest in the Netherlands in both area and population. In the east of Utrecht lies the Utrecht Hill Ridge (Dutch: Utrechtse Heuvelrug), a chain of hills left as lateral moraine by tongues of glacial ice after the Saline glaciation that preceded the last ice age. Because of the scarcity of nutrients in the fast-draining sandy soil, the greatest part of a landscape that was formerly heath has been planted with pine plantations. The south of the province is a river landscape. The west consists mostly of meadows. In the north are big lakes formed by the digging of peat
Utrecht (province) the new Prince-Bishopric of Utrecht was formed. In 1122, with the Concordat of Worms, the Emperor's right of investiture was annulled, and the cathedral chapter received the right to elect the bishop. It was, however, soon obligated to share this right with the four other collegiate chapters in the city. The Counts of Holland and Guelders, between whose territories the lands of the Bishops of Utrecht lay, also sought to acquire influence over the filling of the episcopal see. This often led to disputes and consequently the Holy See frequently interfered in the election. After the middle of the 14th