It is reported from Mujahid (may Allah have mercy on him) concerning the saying of Allah Almighty "Wherever you turn, there is the Face of Allah" [Surah al-Baqarah: 115] that it means the qiblah of Allah: wherever you are, in the east or the west, face only toward it.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الصلاة / 2247