Sony have announced that as of December 17, that the PlayStation 3 has sold 30 million units across the EU, including the UK or anywhere else which sells PAL versions of the console.
As of the 30 Million shipped by Sony, at least 5 Million were sold to the UK a lone although no other specific information such as this was stated for other European countries.
How many PS3 systems have you owned?
[Source: Joystiq]