The fast development of urbanization in Dhaka frequently makes gigantic weight on its current green and open spaces. Dhaka city is experiencing e an enormous urban turn of events. The open spaces for example Parks, fields, water bodies among others are paying the cost for those huge advancement ventures of Dhaka city. Ramna Park is an urban recreational centre. It is a huge habitation for flora and fauna species especially avifauna. Various beneficiary ecosystem services are derived from the Ramna Park area. The given perspective inspired the authors to conduct the present study to identify the ecosystem services and the plants' species diversity in Ramna Park, Dhaka. Five specific types of provisioning services are identified in Ramna Park. The identified provisioning services are, eight different types of fish in the lake, Thirty-two different types of fruits (plant), Twenty-eight different types of medicinal (plant), Fifty-eight different types of ornamental (flower) plant species. Due to the huge vegetation cover, lots of dry leaves, twigs and dead dry things are also produced in Ramna Park. There are twenty-seven specific types of cultural services Park and Nine regulating services were identified in Ramna Park. Identified regulating services are, photosynthesis, carbon sequestration and storage, air quality regulation, pollination, and seed dispersal, air temperature regulation, airflow regulation, noise level control, water quality control, and waste management. It was noted in the study that Ramna Park is a huge habitat for plants, avifauna, fish, and some other faunal species. Moreover, it provides a huge range of habitat for eight fish species, forty-two bird species, and one hundred and fifty-one plant species. A total of one hundred fifty-one specific types of plant species were identified in Ramna Park. The identified plant species are categorized into four plant types trees (100 species), Herbs (15 species), Shrubs (24 species), and Climbers (12 species).