Recently the theme of green infrastructure has become a frequent topic of the modern national and international scientific research. The role of green infrastructure is that of support and protection of landscape biodiversity and diversity, polyfunctional land use, protection of landscape components and conservation of important landscape elements. A protected tree as a point element of green infrastructure also fulfils many ecological aesthetic, cultural, historical, landscaping and other functions. Protected tree enters as one of the estimating parameters into the complex landscape-ecological assessment of green infrastructure in residential environment. The aim of this paper is the spatial and objective analysis of protected trees in Bratislava, the capital of the Slovak Republic.