"The baby and Victoria are doing very well," her husband Prince Daniel told reporters at the Karolinska hospital in Stockholm.
The couple are expected to announce the new prince's name on Thursday. His sister Estelle has just celebrated her fourth birthday.
King Carl XVI Gustaf and his wife Queen Silvia now have four grandchildren, with a fifth on the way in April.
COMMENTS
Comments are moderated and generally will be posted if they are on-topic and not abusive.
For more information, please see our Comments FAQ