This article is intended to analyze architectural changes in the residential development of the city of Karaganda in the period from 1930 to 1990 with an emphasis on identifying regional identity. The work pays attention to the characteristic features of the architectural style, taking into account the influence of natural, socio-economic and cultural factors. The research methodology includes an analysis of historical experience, a comparison of architectural approaches at different stages of development, as well as a review of academic literature and projects. It is emphasized that regional identity in architecture is considered as an open system capable of adapting to changes in the environment and time, including local characteristics and the individual style of architects. In the context of residential development in Karaganda, regional identity is expressed through the creation of comfortable conditions, taking into account contextual features and a critical look at traditions. Urban architecture combines elements of cultural heritage with modern approaches, making it unique and expressive. The individual approach of the architects gives the city's landscape a special character. Ultimately, Karaganda's architectural identity reflects its rich cultural heritage and ability to adapt to changes in environment and time, while maintaining its uniqueness and character. This unique interaction of architecture with history and modernity makes the city of Karaganda not only a place to live, but also a valuable historical and cultural heritage that its residents and guests are proud.