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International Sava River Day

On 1 June, we celebrate the International Sava River Day, which is marked by four countries - Bosnia and Herzegovina, Croatia, Slovenia and Serbia - through which the Sava makes its way.

The Sava River is Slovenia's longest river and out of a total of 947 km, 221 km flow through Slovenia. 

It has two sources, the Sava Dolinka and the Sava Bohinjka, which join below Radovljica. Its main tributaries in Slovenia are the Ljubljanica, Savinja, Mirna and Krka rivers.

  • Sevnica by the river Sava.

    Sevnica by the river Sava. Photo: Andrej Tarfila/

The Contracting Parties to the Sava River Basin Framework Agreement, Slovenia, Bosnia and Herzegovina, Croatia and Serbia, are committed to promoting the outstanding ecological values and economic potentials of the "Sava River Basin".

The high ecological value of the Sava River contributes to a better status of water and aquatic ecosystems, thus improving the quality of life of the population, especially those living along the Sava River. The river provides regional integration, socio-economic potential and gives importance to transboundary cooperation and agreements on the main forms of water use and protection throughout the Sava River basin.

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The Sava has shaped landscapes and cities and continues to influence people's lives today. On the occasion of the International Sava River Day, it is right to be aware of all its remarkable qualities and the opportunities it offers.

Author: Danila Golob

Date: 1. June 2023

Time to read: 1 min