Which is the world's first post office?

The first post office is said to be in Scotland but this is not definite.

http://timesofindia.indiatimes.com/home/sunday-toi/open-space/Which-is-the-worlds-first-post-office/articleshow/2588218.cms

Thanks for the information Gulshan....

I think these questions can be given in quiz section. I see mnay questions as form posts here.../

I also thought about scotland and i am also not sure abt the answer.

@Deepti

i already intimated him and i hope he will soon post in the right section.

The worlds first post office at High Street in Sanquhar, Scotland.