Úslava
The Úslava is a river in the Czech Republic, a right tributary of the Berounka River. It flows through the Plzeň Region. It is long.
Etymology
Until the early 18th century, the river was called Bradlava. The name first appeared in 1266 as Bradaua. In the following centuries, the name was also written as Radawa, Bradava, Brádava and Bradlavka. In 1712, Cistercian cartographer Mauritius Vogt confused the Bradlava with the Úhlava in his book, and also made a typographical error when he wrote it as Úslava. Since then, the name Úslava has been used.Characteristic
The Úslava originates in the territory of Kolinec in the Blatná Uplands at an elevation of, on the slope of the Zálužnice mountain, and flows to Plzeň, where it enters the Berounka River at an elevation of. It is long. Its drainage basin has an area of.The longest tributaries of the Úslava are:
| Tributary | Length | River km | Side |
| Bradava | 21.7 | 26.1 | right |
| Myslívský potok | 19.1 | 53.1 | right |
| Kornatický potok | 17.8 | 23.5 | right |
| Podhrázský potok | 13.5 | 33.4 | left |
| Tůně | 11.8 | 66.9 | right |
| Chocenický potok | 10.7 | 37.9 | left |