You can see "RVL-RZD$-0A-#" On the bottom inside ring of your disc

$ is your region This is version 1.0, the version number will be "0" http://imgur.com/a/ChsuI This is version 1.2, the version number will be "2" http://imgur.com/a/gsV6b

You're welcome, btw. (Considering I linked those images in the discord you could have given me credit for taking them)

Note that both of those are pictures of a USA Wii disc, so the region is E.