Don’t feel yourself offended. UK is recognized as Europe, only the UK is not recognizing that its part of Europe, that’s why you have to call everyone else in Europe “overseas”. 
I used to live in Scotland for a while. I have got my Hub (v2) from the UK as well and I have a UK Samsung account too, and yes, that works with Sonos. But look at this topic and you will understand what I meant:
And just to note, that the issue is effecting not only Germany, other European countries as well. Make sense? No. The previous integration was available for everybody, without considering, nationality, race or gender…
PS.: The same applies for Smart Lighting as well.