Imotski is located behind the Biokovo Mountain, on the border of Bosnia and Herzegovina and Dalmatia. According to its natural characteristics the area is divided into the field of Imotski, a karst territory with depressions and fields, and the Biokovo Massif. Imotski is the territory with the most beautiful and most unusual lakes, and the true phenomena are Blue and Red Lake. Red Lake has gotten its name because of red cliffs, and the depth of the depression goes to 486 metres. Blue Lake has gotten its name by the colour of the water.