def set_default_region(self, region):
        """
        This sets the default region for detecting license plates. For example,
        setting region to "md" for Maryland or "fr" for France.

        :param region: A unicode/ascii string (Python 2/3) or bytes array (Python 3)
        :return: None
        """
        region = _convert_to_charp(region)
        self._set_default_region_func(self.alpr_pointer, region)