Can anyone help me please

Can anyone help me please? I choose Euro region since all my friends are from and selected Twisting Nether realm server. I have them in blizzard app, but i cant add them ingame or they cant add me? says not found, and also guild Iron Hands, cant find on guild finder

This is the forum for the NA server twisting nether (and connected ravenholdt). Are you sure you picked the right region?