Enns (river) below the Enns"). Finally, it meets the Danube at Mauthausen and the city of Enns. The Enns is a typical wild water river and draws its water from an area of more than , which is the fifth-largest in Austria. The average outflow at its mouth is . The Anisian Age in the Triassic Period of geological time is named from Anisus, the Latin name of the river Enns. In the middle of the 19th century, canals began to be built along the between Weißenbach and the Gesäuse, in order to make use of the water for agriculture and forestry.
Enns-class river monitor her conning tower, gun turrets and cupolas were thick. During World War II, "Besarabia" was armed with two 120 mm L/45 naval guns, three 120 mm L/10 naval howitzers, two 47 mm quick-fire guns and four machine guns. She also had a range of 690 nautical miles, more than enough to travel across the greatest East-West extent of the Black Sea, which was 635 nautical miles (the Black Sea was the area of operations of the World War II Romanian Navy). Enns-class river monitor The "Enns"-class river monitors were built for the Austro-Hungarian Navy during the mid-1910s. The two ships