Why it belongs here
The Rječina (Italian: Eneo; German: Flaum or Pflaum), also known as the Fiumara, is a river in Croatia that flows into the Adriatic Sea at the city of Rijeka (Italian: Fiume). It is about 18 kilometers (11 mi) long, with an average width of 9 to 16 meters (30 to 52 ft).
Source-backed