Auto sizing-placing a gui for the screen resolution

Hello gentlemans and ladies,
I know that title is too long so I will explain my problem really shortly.

I am developing a game for mobile. The problem is there is too many different screen resolutions in android so my GUI’s wont be placed in the location that I wanted.How can i prevent that to happen?

is it possible to detect screen resolution and place my GUI’s always to the same location?

Google: Gui Screen Size Mobile +Unity