Why not just say 'Area'?
Like this:
/-----------------------[Choose area]------------------------\
| Based on your language, you are probably in one of these |
| areas. If you are elsewhere, choose "other". |
| |
| Choose your area: |
| China |
| Hong Kong |
| Taiwan |
| other |
\____________________________________________________________/
--
John Hasler
john@dhh.gt.org
Dancing Horse Hill
Elmwood, Wisconsin