Arab attack on Hungary

[X.62] Near Sorbia in order to assail Hungary, the herald of Brudes will come to warn them. The Byzantine chief, Salona of Slavonia, he will come to convert then to Arab law

The eastern forces which now occupies Slovenia will move into Serbia to attack Hungary. Here the name to the leader is mentioned. Going by the techniques used by Nostradamus this is probably an anagram or a close sounding word of the actual name.