Question

what is Islam when and where did it arise what is it based on

Answer 1

Islam is a Muslim believe.
It emerged from mecca in Saudi Arabia

Answer 2

Islam, which is a religion of Muslims society, where the God is Allah. Islam is originated from the Saudi Arabia in $\bold{7^{th}}$ century.  

Explanation:

The Islam prophet Muhammad introduced the Islam religion and dictated Qur’an which is the holy book of Muslims and they believe the words of the books. According the information Muhammad, who is the prophet of Muslims, was born in the Mecca. The actual origin of the Islam is started long before the Muhammad.