(Panama City is a historic city in Bangladesh's Sonargaon district of Narayanganj.)
In the Narayanganj district's Sonargaon is Panam Nagar, a traditional old town. Old Sonargaon: Bara Nagar, Khas Nagar, Panam Nagar Out of these three cities, Panama was the most fascinating. There are numerous structures dating back hundreds of years that are connected to Bengal's Bar Bhuiyan history. Sonargaon was constructed over a 10 square kilometer area.