Lijevče

It includes settlements part of Gradiška, Srbac and Laktaši, in the Banja Luka region of the Republika Srpska entity.

Crossing over soft alluvial soil, the Vrbas river and its tributaries have changed their courses, creating numerous meanders, backwaters and breaking new beds.

[4] Spreading of the city name on the plain along the lower course of the Vrbas contributed also to the establishment of the Lefče nahiya (sr. Лефче, Turkish: nahiye Lefçe) in the beginning of Ottoman rule.

[4] The first preserved mention of this name, as a synonym to the "field of Vrbas" ("campus Orbaz"), is from a letter of Slavonian magnate Ludovik Pekri, dated May 1537.

It includes the following settlements: During World War II, the Battle of Lijevče Field was fought between Croatian Ustashe and Serb Chetnik forces in this region.