The man in his 30s is now being prosecuted at Blekinge District Court on a number of counts concerning aggravated rape of children and sexual abuse.
The man is also charged with nine counts of aggravated child pornography after filming his abuse.
The abuse allegedly took place last summer, including at a campsite in Blekinge and several cases in Älmhult in Småland.
In total, there are four cases of aggravated rape of a child for which the man is suspected.
He is also suspected of serious sexual abuse of children in as many cases.
The man is also charged with abusive photography as he is said to have photographed three girls inside a shower at the same campsite.