This study explores the integral role of open spaces in city sustainability, emphasizing their impact on human interactions and environmental well-being. Focusing on a case study in Pune, India, the research analyzes urban residents' responses to green spaces, evaluating design elements influencing social interactions. Results indicate a strong correlation between human-human and human-nature interactions, with high satisfaction levels in various aspects. The study underscores the significance of specific elements within open spaces, such as green areas and water features, in fostering a harmonious relationship between humans and nature, ultimately contributing to a sustainable and vibrant urban environment.