Eric, there's no attachment. But here's a possible solution:
IF [Country]='China' OR [Country]='Hong Kong/Macau' THEN 'China'
Once you create this calculated field you'll need to assign it a geographic role of Country.
Brilliant! Thank you for pointing out the direction.
I changed you code and here is want I want:
IF [Province] = 'Hong Kong' OR [Province] = 'Macau' THEN [Province]