I do not know of any forums that have an area specific for geographical locations. Having said that, there are websites where some of us have entered our information to know the relative location of other pilots.

You can find such information here:
[link]http://pilotlocator.net/home.php[/link]
Or in the HF Locator here:
[link]http://helifreak.com/[/link]
Or in the club locator here:
[link]http://www.modelaircraft.org/clubsearch.aspx[/link]

Rafael