Europe, Africa, and Asia. The remaining continents would not be touched by Islam in any significant way until the mid-1700s at the earliest.
In the mid 600
The early 600's A.D.
Islam was introduced by the Prophet Muhammad.
The religion of Islam.
550-600
Islam
The area of Kounari is 600 square kilometers.
The area of Vardø is 600 square kilometers.
The area of Zogbodomey is 600 square kilometers.
The area of Çamoluk is 600 square kilometers.
The area of Velfjord is 600 square kilometers.