>>>He is referring to the Balkans, presumably.
>>
>>I know of one Balkan. List the others :).
>
>I missed the joke:
>
>http://en.wikipedia.org/wiki/Balkans
>
>Was it a joke?

Just a bit of a puzzle, why would it be in the plurals. Balkan is a single peninsula, named after one single mountain, not a mountain chain.