For today's Geo Quiz -- we're looking for four-letter words. Not BAD four letter words...this is the Geo Quiz after all.

But how many four-letter countries can you name?

It's a question that nagged David Jenkins one night:

"I couldn't sleep and I was just lying there and trying to think how many Four letter countries are there are in the world and eventually I got up and I looked at the atlas and made the list and I thought to myself well I wonder if anyone's been to all of these countries and I thought well why not give it a go?"

"Give it a go" he did...

We'll hear more about his very unusual trip when we reveal our list of four-letter countries.