resort near gazipur

https://gazipur.biz/listing/shilpi-kunjo-picnic-spot/
v nice website with relevant adequate brief info

http://www.swiftsbd.com/picnic-spot-resort/
great picnic spot information with rent info

http://shohagpalli.com/index.html
nice

http://www.dhakatribune.com/entertainment/2015/aug/23/resorts-near-dhaka
Five suggestions

http://visitbangladesh.gov.bd/where-to-stay/resorts/

Ntv's roza garden may be nice one.

Dhaka resort is also good.