An urban oasis is a place or area within an urban environment that provides a sense of peace, tranquility and natural beauty. It could be a park, garden, square or any other green space where people can relax, enjoy nature and escape from the hustle and bustle of city life for a while. The phrase "urban oasis" is used to describe such places that offer a respite from the concrete jungles of cities, providing a sense of calmness amidst the chaos of urban living.