Why are you so dead set against Mitrovica? The ship's manifest says his "Race or People" is Croatian, and his "Last Permanent Residence" was Mitrovica, Hungary, which seems to make perfect sense. I can't read that place name as anything but Mitrovica -- the lack of a dot on the "i" is really not significant, as I can see at least 3 other definite "i"s in the snippet which are undotted.