Sajó (in Hungarian) or Slaná (in Slovak) is a river in Slovakia and Hungary. Its length is 229 km, of which 110 km in Slovakia. Its source is in the Low Tatra mountains, near Dobšiná. It flows through the Slovak town, Rožňava and the Hungarian city, Miskolc. In Hungary it flows through the county of Borsod-Abaúj-Zemplén. It flows into the River Tisza near Tiszaújváros. For the Second World War frigate class, see River class frigate The Murray River in Australia A waterfall on the Ova da Fedoz, Switzerland A river is a large natural waterway. ... Mount Dumbier (right) and Mount Chopok (middle) The Low Tatra or Low Tatras (Slovak Nízke Tatry) is a mountain range in central eastern Slovakia. ... Rožňava (Hungarian: Rozsnyó, German: Rosenau) is a town in Slovakia, near Kosice. ... Miskolc (X-SAMPA: /miSkolts/, approximate pronunciaton: Mishkolts; in Slovak Miškovec, in Polish Miszkolc) is a city in North-East Hungary, mainly with heavy industrial background. ... Borsod-Abaúj-Zemplén (commonly abbreviated as BAZ county) is the name of an administrative county ( comitatus or megye) in north-eastern Hungary (commonly called Northern Hungary), on the border with Slovakia. ... The Tisza (in Hungarian, Ukrainian: Tysa/Тиса, Russian: Tisa/Тиса, Romanian, Slovak and Serbian: Tisa, German: Theiß, Latin: Tissus, Tisia or Pathissus) is a river, tributary of the Danube and one of the major rivers of Central Europe, passing through Hungary, Romania, Slovakia, Ukraine and Serbia and Montenegro. ... Tiszaújváros is an industrial town in Borsod-Abaúj-Zemplén county, Northern Hungary, 35 km south-east of Miskolc, near the river Tisza. ...

Sajó is also the Hungarian name for the river Şieu in Romania.