What keyboard layout does my MBA have?

Hi everyone, it's my first post here so be kind 🙂.

So I kind of messed up and I wanted to know my MacBook Air has the right keyboard layout before I open the package. In the back of the retail box it says following:

MBAir 11.6/1.3/4GB/128Flash/FIN/GBR

I assumed it was a Finnish ISO layout but then I noticed that "GBR"(UK English?) in the end. I want to be sure about the layout so could some one please tell me which this is? I got it from England and as I was marveling the box the "GBR" stroke my eyes.

Thank you,

-Izcer