This is off Wikipedia and sums it up for me.
“The national anthem of England is usually taken to be the same as that of the United Kingdom as a whole—"God Save the Queen", but in 2016 some MPs felt that England should have its own distinct anthem with the result that there have been discussions on the subject in the UK Parliament”.
Bottom line,The UK national anthem is the English national anthem. I would like it to change. That said and interestingl, Flower of Scotland is not the official national anthem of Scotland, yet.And I thought it was