Pabna is a city in the Rajshahi Division region of north-western Bangladesh. It is the southernmost district of Rajshahi Division. Its administrative capital is eponymous Pabna town.
You can go to Pabna by train. It's very easy to go Pabna from Dhaka. First you have to go Komlapur rail station. You can buy a ticket from there for Dhaka to Pabna.
Bus tickets from capital Dhaka via Aricha to Pabna costs Tk 300 to Tk 450.