Gazipur

Gazipur is a city located in the upper reaches of Dhaka Division.

Understand
Gazipur is synonymous with the garments industry.

Get in
It's about an hour's drive north of Dhaka, else you can disembark from the train at Joydebpur Train Station downtown. But seeing as attractions are in the surrounding area, a car is probably preferable.

Sleep
There are a lot of ecotourism type of hotels/resorts in the area. These are just a few.