Change A Block'S Content Zone

1. Select your block. You can tell if a block is selected because it will have a green line appear on the right.
2. Next, click the Edit Block Attributes gear. 
3. The Block Properties window will open. 
4. The Block Zone drop-down will show you all available Block Zones for the page layout assigned to this page. If you don’t see the zone you expected, check your Page Layout value in the Page Properties Edit Tab.
5. Select a block zone for your block.
6. Click OK.
7. Click Publish to save your work.