Because Abraham being the father of their family. Ishmael was Abraham's first born son, thus following Hebrew tradition, should have received the blessings of the father. However, because He was not the son of promise, Abraham had to follow the dictates of God. This is the forerunner for the gospel of Jesus Christ.
The religious center of Islam religion is Makkah (or Mecca) in Saudi Arabia
Mecca is still the holiest city in Islam
A
Prophet Muhammed (Peace be upon him) in Mecca (Kindom of Saudia Arabia).
Mecca
No
Mecca was an important city for Arabs on the Arabian peninsula, before Islam because it was a worship place for them.
The holy book of islam is "Quran" . Makkah (mecca) is the holy city for beleivers of Islam (muslims)
The city of Mecca and the city of Madina are both holy cities of Islam.
Mecca is the most holy site of Islam.
The motto of Mecca is 'Holiest city in Islam'.
http://en.wikipedia.org/wiki/Mecca