This is the UK address:

Emma Watson

c/o HP Production

Leavesden Studios

P.O.Box 3000

Leavesden, Herfordshire

WD2 7LT

United Kingdom

But Emma is studying at Brown University in the United States, her My family probably arrived in USA, I don’t know.

/

This is her official website. It’s too slow here. You can go up and find her current address.

You can also ask emma’s fans in the forum. Some of them will definitely know.

Come on! ! I also wrote a letter to Adam, but... I'm not sure it has been sent to him... but I have at least sent it. I heard that some foreign fans sent him letters, but they didn't receive them until eight months later. ...I hope I can wait until that day

You too~