Vjetrenica

Vjetrenica
Location	Bosnia and Herzegovina
Length	7,014 metres
Translation	Wind cave or blowhole (Serbo-Croatian)
Pronunciation	[pronounced [ʋjɛtrɛ̌nitsa]]

Vjetrenica (pronounced [ʋjɛtrɛ̌nitsa], which means "wind cave" or "blowhole") is the largest and most important cave in Bosnia and Herzegovina, and one of the most important caves in the Dinaric Alps mountain range, which is famous worldwide for its karstic and speleological riches. It is located in the Popovo field in Ravno, West Herzegovina in the Federation of Bosnia and Herzegovina.

Vjetrenica is located in Popovo Polje (pronounced [pɔ̌pɔʋɔ pɔ̂ʎɛ], meaning priest's field, where polje stands for karstic plain), which is itself located in a southernmost regions of Bosnia and Herzegovina, West Herzegovina, near the Adriatic coast. Its entrance is near the village of Zavala, in west - south-western corner of polje. In the warmer parts of the year a strong blast of cold air blows from its entrance, which is very attractive in the middle of the rocky, hot and waterless terrain.

Popovo Polje is one of the largest polje (karstic plain) in Bosnia and Herzegovina and the world, famous for its karstic phenomenons and features, and particularly for its Trebišnjica River, which flows through the polje as largest sinking river (also losing stream, or influent stream) the world, as well as the Vjetrenica cave system, located to the west/south-western parts of the valley.

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