Cultural and historical monuments
The monument for the veterans of the Defensive-Patriotic War 1991-1995
It is located in the Kralj Petar I Oslobodilac’s Square Street (City Park).
The monument of remembrance on heroes Нof National Liberation War 1941-1942
It is located in the Kralj Petar I Oslobodilac’s Square Street (City Park).
„Komanda baljske čete” memorial complex
„Komanda baljske čete” memorial complex is located in a village called Gornja Slabinja. During World War II in 1941 Kostajnica-Balj Partisan troop was formed at this location, in the hill called Balj. Today on this site, except for the mounument for the veterans of the National Liberation War, there is also a building that was supposed to be a memorial house, but is now used as a hunting lodge. In memory of the old days, every year, in the last week of August, this is the place where the formation of Balj’s troop is commemorated.
"Zastava" monument
It is located in the forest environment of the Balj hill at an altitude of 372 m. The monument is a metal structure suitable for climbing to the flag at the top from where there is a beautiful view of Kostajnica and the valley of the river Una. The monument was named "Zastava" right after the flag at the top,. The name Zastava originates from the period of the Second World War, when the place where the monument is located was the center of the insurgent front of the "Baljska četa" troops. At that time, a red flag was hoisted, which was flown during the war, and one of the insurgents from Slabinja, Vaso Karan, called this place "Little Moscow".
Mass grave of c.2000 civilian Victims of Fascist Terror in the Street of Petar Borojević
It marks the site of a mass grave in which an estimated 2000 Victims of Fascist Terror were buried after being killed at this location in late July and early August 1941. The commemorative obelisk was created in 1954.
Mass grave of civilian Victims of Fascist Terror in the Street of Vladimir Nazor
It marks the site of a mass grave in which an estimated 500-600 Victims of Fascist Terror were buried after being killed at this location in late July and early August 1941. The commemorative obelisk was created in 1954.
Partisans’ cemetery in Kostajnica
This cemetery contains 27 individual graves of known and unknown soldiers, including that of National Hero Branko Tubić. It has been renovated in 2001.
Partisans’ cemetery in Petrinja
The cemetery contains a total of 18 burials, including those of at least 4 individuals who died after the end of the People’s Liberation War. One of these is National Hero Lazo Šteković (1922-1952).
The monument for King Petar I Karađorđević
The author of this monument is Milan Buzadžić. It was created in 1913. It has been renovated in 2008.
Monuments from the period of uprisings and rebellions
Of the monuments from the time of the uprisings and revolts in the area of Kostajnica, there are 2 monuments: the tombstone where is the grave of Mileta (notable fighter among insurgents - hajduk) called "Miletin grob" and the tombstone to another notable insurgents fighter - hajduk called "Garačin grob" . The tombstone of "Garačin grob" is located in the village of Gornja Slabinja in the hamlet of Alaginci. Hajduk Petar Garača was buried at this place. On August 15, 1875, the villagers of Čitluk, Petrinja, Bačvani, Pobrdjani, Tavija and other surrounding villages attacked the Turkish garrisons in the village of Dvorište. Enthusiastic about the initial successes of the uprising, the insurgents under the command of Marko Bajalica and Marko Đenadija attacked Bosanska Kostajnica on August 19, but after the initial success they had to withdraw. Petar Garača was killed in those fights with the Turks.
