We can enable cross-region replication from the S3 console as follows:
- Go to the Management tab of your bucket and click on Replication.
- Click on Add rule to add a rule for replication. Select Entire bucket. Use the defaults for the other options and click Next:
- In the next screen, select the Destination bucket. Leave the other options as-is and click Next:
- In the the Configure options screen, ask S3 to create the required IAM role, name your rule (by selecting the relevant option), and then click Next:
- In the next screen, ...