The three-day first phase of Biswa Ijtema came to an end on Sunday with the Akheri Munajat i Bangla on the bank of the Turag River at Tongi.
Hafez Mohammad Zubayer, the Imam of Kakrail Mosque in Dhaka, conducted the 35-minute Akheri Munajat which began around 10:40 am.
Prime Minister Sheikh Hasina took part in the Akheri Munajat from the Gano Bhaban.
Alongside the Ijtema venue, thousands of the devotees joined the munajat from the rooftops and terraces of nearby houses, roads and open fields.
Islamic scholars from different countries delivered sermons on various aspects of Islam at the Ijtema.
Several lakh Muslim devotees, both from home and abroad, converged on the congregation venue and attended the prayers.
The three-day Ijtema, the second largest congregation of Muslims after the hajj, began on Friday with nearly 4,473 foreign devotees from 88 countries.
The second phase of Ijtema will be held from January 19-21.