Wikipedia
Sholakia is a locality near Kishoreganj town in Bangladesh. It is famous for its Eidgah where the largest congregation of Eid prayer in Bangladesh is held on the occasion of Eid ul-Fitr, the day of celebration after the Ramadan, the month of fasting. 400,000 people join the prayer on every Eid. The Eidgah, on the bank of river Narosunda is reported to be in size, accommodating 250 rows or about 150,000 of participants for every congregation. An equal number of participants take part in the prayer using the fields, roads and courtyards around the Eidgah.
A small number of elites make use of the two-storied mimbar (payer hall with towers for adhan) nearby, which can accommodate about 500 people. The prayer on the occasion of Eid ul-Adha, the festival of qurbani or sacrifice, is also comparably large. The regular population of Sholakia is 1,026, consisting 180 households.