RELATED QUESTION: How can I sort albums? (change the order in which they are presented)
How can I move albums or subalbums?
In the illustration below, an album called "May 2010" is a subalbum below an album called "2011."
To move the album:
1. Select the album by checking the box.
2. In the menu to the left, choose Organize, then Move
3. Choose the album name, and the green Move button:
The album is moved.