Let's know the reason for naming Khulna.
> The ancient town name of Khulna was Saptgaon. There is disagreement about the origin of the name Khulna. ... Later, a new police station was established by cutting the Sundarbans forest near Srirampur (Rahimnagar), Talimpur on the east bank of the Rupsa river and named it Naobad (Nyabad). Khulna subdivision was born in 1842.