My friend has inquisition for Xbox One and we played it together. I only have an Xbox 360 and was super excited when I found out they'd made a version for 360 too. My problem is that I cannot for the life of me figure out how to open the map on the 360 controller.
It is in the middle of the Radial Menu (from EA):
If you get lost, the quest map is accessible in the middle of the radial menu layout.