Banja Koviljaca, one of the most beautiful and healthful spa resorts of the Balkan peninsula, is situated in western Serbia, encased between the Drina river and the wooded mountain, Gucevo, at an altitude of 128 metres.  It is surrounded by the wide plains of Macva and Semberija and by Boranja, Cer and  Sokolske mountains.  It is situated in a region called Podrinje, which leads to the slopes of Jadar, the valleys of Pocerina and the fertile and flat region of Macva.
  Rich springs of sulphurous water, healthful mud, good climactic conditions, as well as the numerous cultural and historical monuments are an enticing invitation for the development of tourism in this area.

To arrive at Banja Koviljaca from Belgrade, one should take the Belgrade – Ruma highway and then the local road Ruma - Sabac - Loznica to Banja Koviljaca (145 km). 
Arriving from Novi Sad, a local road leads through Ruma, Sabac and Loznica to Banja Koviljaca (143 km).

There is a railway station in Banja Koviljaca for regional trains only, running between Belgrade and Mali Zvornik.

The closest airport is in Belgrade (135 km).

The Bosnia-Herzegovina border is at a distance of five kilometres.

Excellent roads connect Banja Koviljaca with Banja Luka and Sarajevo.