Angria, Engria, or Engern (German: Engern) is a historical region in present-day western German states of Lower Saxony and North Rhine-Westphalia. It was the central region (gau) of the medieval Duchy of Saxony lying along the middle reaches of the Weser river between Westphalia and Eastphalia. Its name was derived from the Angrivarii tribe and it was centered on the town of Minden. Much of the area later became the County of Hoya. With an area of 47,618 km and nearly eight million inhabitants, Lower Saxony (German Niedersachsen) lies in north-western Germany and is second in area and fourth in population among the countrys sixteen Bundesl nder (federal states). ... North Rhine-Westphalia (German: Nordrhein-Westfalen, usually shortened to: NRW) is - in terms of population and economic output - the largest Federal State of Germany. ... The Middle Ages formed the middle period in a traditional schematic division of European history into three ages: the classical civilization of Antiquity, the Middle Ages, and modern times, beginning with the Renaissance. ... The Duchy of Saxony was a medieval Duchy covering the greater part of Northern Germany. ... Weser watershed The Weser is a river of north-western Germany. ... Westphalia (German: Westfalen) is a region in Germany, centred on the cities of Dortmund, Gelsenkirchen, Münster, Bielefeld, and Osnabrück and included in the states of North Rhine-Westphalia and Lower Saxony. ... ... A view of the country around Minden, part of ancient Engern The Angrivarii were a Germanic tribe of the early Roman Empire mentioned briefly in Ptolemy as the Angriouarroi (Ptolemys Greek given in Roman letters here), which transliterates into Latin Angrivari. ... Minden is a town in North Rhine-Westphalia, Germany. ... The County of Hoya (German: Grafschaft Hoya) was a state of the Holy Roman Empire in present Germany (Lower Saxony). ...