Server ServerRegion - Required or Not ?

The setting is definitely related to the GameSpy protocol and not HL, so assume codes based on that. But the info I checked showed that it was relatively unused in UT2k4, so presummably here too? Lol sorry, not much help afterall

i found these:

Region [int RegionCode]
This is a GameSpy code for the game server's geographical region. The default master server is also determined from this value.
Valid codes are:

0 - No Region Specified (any Region)
1 - Southeast US
2 - Western US
3 - Midwest US
4 - Northwest US, West Canada
5 - Northeast US, East Canada
6 - United Kingdom
7 - Continental Europe
8 - Central Asia, Middle East
9 - Southeast Asia, Pacific
10 - Africa
11 - Australia / NZ / Pacific
12 - Central, South America

Default: 0