In the 19th and in the first half of the 20th century numerous parks were built all over Europe, which, though different in many aspects, still show certain similarities in space structure and composition. The question is, whether late modern public parks, built in the second half on the 20th century follow the classical design and composition „rules”? How did the extremely functionalist design approach of the era after WW2 influence park design? The answer is the result of a detailed analysis on space structure and composition principles of the parks built in these times. In this research I analyzed according to specific criteria the Jubileum Park in Budapest, one of the most prominent work of the late modern period in Hungary. The 12 ha Jubileum Park (built in 1965) is located in the heart of Budapest, on the top of Gellért Hill, next to river Danube. Laying high above the city on an exposed hillside, the park offers a broad view of the whole city. The structure of the park is basically determined by the extreme topography, and one of the great value of the park is the natural looking grading, which determines the space structure and fits to the natural terrain very nicely, and the walkway system, which fits to the contour lines and explores the whole site. Fitting to the windy and exposed hilltop position, in space division the terrain in the most appealing, the plantation is only secondary. From formal point an interesting feature is the dominance of two dimensional elements with characteristic shape, like flowerbeds or ornamental pools and the curves of the walkway system. Though the main function of the park is to underline the fantastic visual potential with providing viewpoints, there are some playgrounds as well. For the visitor of today the specialty of the park celebrating the 50th anniversary this year, is, that – disregarding some minor changes – there were no alterations since it exists. As a first step I analyzed the space structure of the park, putting an extra emphasis on the existence or lack of any axis, on the accentuation of the park entrances, on the space organization inside the park and on the existence/lack of hierarchy. Important aspect of analysis was the connection of the park to connecting urban fabric and green surfaces nearby. The next step was to compare the results with other parks built in former times, but having similar natural setting. The goal of the research is to determine, how much the spatial composition of Jubileum Park is different from the spatial composition of classical parks. The results might help to realize, what kind of spatial composition and space structure is typical of late modern parks. It would be important to preserve these space structural specialties of the Jubileum Park during a more and more urgent renovation.