The company said in a statement that Amazon Web Services (AWS) would establish the centres in three towns, Katrineholm, Vasteras and Eskilstuna, located west of Stockholm.
"For over a decade, we've had a large number of Nordic customers building their businesses on AWS," the head of AWS, Andy Jassy, said in the statement.
Jassy said the Nordic region's most successful startups including game developers, King -- the creator of Candy Crush Saga -- and Mojang, "depend on AWS to run their businesses, enabling them to be more agile and responsive to their customers."
The group announced in September that it planned to open three more in France this year.
Amazon is the world's leading provider of cloud services, adding more sophisticated services such as database management, analysis or design assistance to mobile applications.