His regime became noted for its brutality against the local Croat population, and a fierce repression of the Yugoslav partisan movement present in the area.
Italian rule met heavy opposition from the Croat population as Split became a centre of anti-fascist sentiment in Yugoslavia.
German population mostly left from the area after World War II and the Croat population also declined over time.
These acts forced a part of the local Croat population to leave the area in 1992.
Kostajnica was put back in Croatian control following military victories by the army in August 1995, and the Croat population expelled slowly began returning.
Since 1961 census, the Croat population in Serbia is in a constant decrease.
Anthropologically, the craniometrical measurements made on the Croat population show Croats from Croatia are predominantly dolichocephalic.
There is a significant Croat population also in Indianapolis that settled during the Yugoslav Wars of the 90's.
Many of those who settled in Dalmatia mixed with the existing Croat population.
The town consists of an ethnically homogeneous Croat population of over 4,000.