People playing volleyball in the Dhanmondi Lake. Considering the area of Dhaka, parks and playgrounds should account for 1,137 acres and 1,876 acres of area, in that order. But there are parks on only 271 acres of area, and playgrounds on 294 acres. Most of these parks and playgrounds remain in a sorry state. Dhaka is facing numerous challenges related to urbanization, including traffic congestion, air pollution, insufficient public services, and inadequate infrastructure, among others. With a population of over 20 million, Dhaka is also the fastest-growing city globally, exacerbating the challenges further. Dhaka City, Bangladesh.