The Željeznica (Serbian Cyrillic: Жељезница) is a river in Bar municipality of Montenegro. In Šušanj it flows into Adriatic Sea. It is a perennial river which has tributaries from mountains Small Rumija and Sutorman. When Montenegrin army captured Bar from the Ottoman Empire in 1878 the Berlin Congress set the border between Austria-Hungary and Kingdom of Montenegro at the river Željeznica.

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  Mouth of the river
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  Bridge across the mouth