File talk:Regni di Carlo V.jpg

What is the turtle kingdom?
I can identify the arms of the Holy Roman Empire and the Kingdoms of León, Castile, Naples, Aragón, Navarre, Jerusalem, Mallorca, Sardinia, Toledo and Granada. But what are the coat of arms with the turtle supposed to represent? --JECE (talk) 15:27, 20 March 2020 (UTC)