Simple
Makkah, Madinah and Kenya.
The Holy city of Makkah, where the Kabbah is and the largest gathering of Muslims in the world during the yearly Pilgrimage.
Madinnah is the city where the Prophet Muhammad (PBUH) established the very first Islamic city and where his mosque is located.
And I was born in Kenya.
Honorable Mentions are the Vatican, Egypt and the Galapagos Islands.