Abstract
Islam as a religion of Rahmatan Lil'alamin was brought by Prophet Muhammad contain a proselytizing mission that must be propagated to all of mankind. This is evidenced by the presence of a brilliant civilization and history in the past. We can see how the struggle of the Prophet Muhammad and his companions in doing such a great expansion of territory in the spread of Islam, so that Islamic civilization in the past so highly developed and rapidly. Among the expansion of the territory once conquered by Islam and “islamized” is the South Asia region, the countries included in this region are India, Pakistan, Bangladesh, Sri Lanka and the Maldives. Islam was introduced in the region is in the form of a civilization that has developed a culture characterized by agriculture, trade and organized religious establishment. Islam is not the first force that can control this area, but with the entrance and the rule of Islam in the region over the past three centuries, Islam was capable of contributing to the local culture. Because the region is comprised of various racial, ancestry, and the resulting group is easy to be ruled by outside forces. South Asia region has its own characteristics or identity and especially in relations between countries.