The following are things you can do to help rank better in geographical results; remember, you don’t “have” to do them all to rank well, they’ll just help you along the way.
1. Use the native language of that geo-graphical region.
2. Use the cc-TLD for that geo-graphical region.
3. Host the actual web files in that geo-graphical region.
4. If not using a cc-TLD then use the geo-targeting option in Google Webmasters Central
5. Build backlinks from websites in that geographical region.