Achievements in science and technology in the 19th century in Europe promoted the development of industry and transport, trade and radical changes in the urban planning due to which till the Wold War I a fast urban development took place, which was interrupted by two world wars. The territorial changes and formation of different political systems in Europe influenced economics of countries and determined the urban development strategy, transformations in the urban environment and landscape. The politically economic changes and globalization process in the late 20th century and early 21st century activates the culture-historical value and preservation of the regional identity and significance of the development strategy of the urban planning. In the regional context different and more or less successful sustainable development models are chosen, whose implementation is related to changes in landscape, quality of the urban environment and living standard. Development strategy of Latvia western regional cities Liepāja, Ventspils and Kuldīga’s planning confirms a varied understanding of sustainable development in the protection of culture-historical values and landscape, which is expressed the living quality. Main assignment and methods of the research: analyse the development impact of Latvia western regional cities Liepāja, Ventspils and Kuldīga’s planning on the urban environment and landscape, comparing the cartographic materials, performing photo fixations and observation of the objects in nature.