The advent of Islam in Bangladesh or Bengal is said to be in around 10th year of prophethood. Imam Abadan Marwazi (R), in his book, wrote that the Companions of the Prophet (pbuh) like Abu Waqqas, Malik ibn Wahaib, Qays bin Huzayfah and some other Companions, in the seventh year of prophet hood, went on a voyage from Ethiopia (after the first migration) towards China. During their long journey on the ocean for nine years, they stopped over at the ports of Bangladesh, or Bengal. By their influential characters, many a one accepted Islam there.

Aulia in Shylet  
Shah Jalal (ra)
Shah Poran (ra) 

Aulia in Khulna

Peer Khan Jahan Ali (ra) 

 
Aulia in Dhaka
 
Shah Ali Bagdadi(r.a.)
Pir Yamen
Hz. Shah Khaza Safruddin Chisti (r.a.)
Peer Jeengy
Gulap Shah
Burz Sakandar
Chaireg Shah

Shah Niamatullah Butshikon  

Aulia in Chittagong 
 
Gorib Shah
Hazrat Shah Amanat
Hazrat Badar Aulia
Chashma-i-Hazrat Shaikh Farid
Hazrat Mollah Miskin
Hazrat Bayazid Bostami (Not agree by all)

Aulia in Other Place: