The Cow - 2:149
Wherever you set out, you should turn your face towards the Holy Mosque (for prayer). This is surely a truth from your Lord. Allah is not unaware of anything you do.
What is Qibla?
The Cow/2:125
"We have made the Ka´bah a focal point for the people and a place of safety. Use the seat of Abraham as a place of prayer. "We commissioned Abraham and Ishmael to keep My House clean for the visitors and those who devote themselves to worship and those who bow down and prostrate themselves."