It is mentioned in Surah Baqarah:
2. What is the importance of "Qibla" in Islam?
It is important for it fosters unity. Islam believes in fostering unity. All Muslims all over the world face only one "qibla" when they want to offer Salaah (prayer), and this unites all Muslims in their worship to one True God.
If some Muslims live towards the west of the Kaaba, they face the east. Similarly if they live towards the east of the Kaaba, they face the west.
2. Where is the Holy Kaaba located in the world map?
As time progressed, western cartographers drew the map upside down with the north facing upwards and south downwards. The miracle part is, the Holy Kaaba, remains at the center of the world map no matter who draws the map.
3. What is "Tawaaf" during pilgrimage to Mecca?
4. The Black Stone?
5. Additional information on the Holy Kaaba:
Hence, let it be concluded that Muslims do not worship the Holy Kaaba but only the Almighty Allah. However, the center of worship for Muslims is the Holy Kaaba for it is where the "Qibla" is located.
It is important for all Muslims to face the "qibla" during prayers.