According to Xhane, Community Developer for Might & Magic at Ubisoft, Heroes Kingdoms is released in all countries in America, Europe and Africa (not yet in Russia or Asia).

To celebrate this worldwide release, every newcomer joining the move and creating an account before Dec. 16th will have one month of premium access for free.

Full country list: All African countries, Albania, Belize, Bosnia, Bulgaria, Costa Rica, Croatia, Cuba, Czech Republic, Denmark, Dominican Republic, El Salvador, Estonia, Finland, Greece, Guatemala, Haiti, Honduras, Hungary, Iceland, Iran, Italy, Israel, Jamaica, Jordan, Latvia, Lebanon, Lithuania, Macedonia, Madagascar, Mexico, Moldova, Netherlands, Nicaragua, Norway, Oman, Panama, Poland, Portugal, Qatar, Romania, Saudi Arabia, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Syria, Turkey, Yemen, UAE.