You're wrong. Official name is Veltins Arena. Auf Schalke Arena is used by UEFA only as it does not recognise sponsorship by companies that are not among its partner organisations (Veltins - beer) :-)))
That's why in this year's CL final, stadium won't be called Allianz Arena but Fußball-Arena München.
That's why in this year's CL final, stadium won't be called Allianz Arena but Fußball-Arena München.