When it comes about Teslas nationality everyone says things that are not true Nobody knows the truth or accept the truth They say he is either Serbian or Croatian but in fact he is an IstroRomanian  His original last name  was Draghici but over the years this name got replaced by his nickname Tesla tesla  Romanian therm for adze  because Nikolas family were carpeters  Henry Coand has presented him as a bnean from Serbian Banat but he was a IstroRomanian