About Croatian letters
Croatian, Bosnian and Serbian Latin use five extra letters: č, ć, đ, š and ž.
The Croatian layout (QWERTZ) puts š, đ, č, ć, ž on the keys right of P and L.
On a Mac, ABC Extended types č with Option+V then C; đ needs the Croatian layout or press-and-hold on D.
Croatian letters: names and codes
Every special letter in Croatian, with the Windows Alt code where one exists, the hex code to type in Word followed by Alt+X, the Mac shortcut and the HTML entity. Click a letter to copy it.