The arrival of the Muslims to the areas of modern day Pakistan , along with subsequent Muslim dynasties , set the stage for the religious boundaries of South Asia that would lead to the development of the modern state of Pakistan as well as forming the foundation for Islamic rule which quickly spread across much of South Asia .
The arrival of the Arab Muslims to the provinces of Sindh and Punjab , along with subsequent Muslim dynasties , set the religious boundaries of South Asia . This would lead to the development of the modern state of Pakistan as well as forming the foundation for Islamic rule across much of South Asia .