Below is a reference to the Beautiful Name of Allah in Quran or Hadith: 

2:115

Yusuf Ali (Surat Al-Baqarah (The Cow) Surah #02 of 114, Verse #115 of 286)
To Allah belong the east and the West: Whithersoever ye turn, there is the presence of Allah. For Allah is all-Pervading, all-Knowing.