from wikipedia:
No region coding for PS3 games.
blu-ray region coding:
Region codes
The Blu-ray movie region codes are different from the DVD region codes.[7] The following are the region codes for Blu-ray discs:[8]
Regions for Blu-Ray standard[9]Region code Area:
A/1 North America, Central America, South America, Japan, North Korea, South Korea, Taiwan, Hong Kong and Southeast Asia.
B/2 Europe, Greenland, French territories, Middle East, Africa, Australia and New Zealand.
C/3 India, Nepal, Mainland China, Russia, Central and South Asia.