Lumia 520, Lumia 525, Lumia 620, Lumia 720 and Lumia 1320 are marked as receiving the Lumia Denim update in Bahrain, Iraq, Israel, Jordan, Kuwait, Lebanon, Oman, Pakistan, Saudi Arabia, United Arab Emirates and other markets.
If you need help with updating your device to Lumia Denim, you better check our preparation and update “How to prepare & update to Lumia Denim & Windows Phone 8.1 GDR1?” tutorial.
Lumia Denim roll-out status:
Rolling out in many of the Asian markets
Roll-out in European markets began