The Croats of Bosnia and Herzegovina, often referred to as Bosnian Croats, are the third most populous ethnic group in that country. They are one of the constitutive nations of Bosnia and Herzegovina. They are also a native ethnic group of Bosnia and Herzegovina, as their presence there dates back to the 7th century A.D. Croats of Bosnia and Herzegovina have made significant contributions to the culture of Bosnia and Herzegovina. Their native language is Croatian, and about 76% say they are Roman Catholic. 