Surah Ali 'Imran Verse 96

إِنَّ أَوَّلَ بَيْتٍ وُضِعَ لِلنَّاسِ لَلَّذِي بِبَكَّةَ مُبَارَكًا وَهُدًى لِلْعَالَمِينَ

Indeed, the first House [of worship] established for mankind was that at Makkah - blessed and a guidance for the worlds