The Tripolye phenomenon, which displays a specific artefact complex and an extraordinary settlement layout, is also known for its so-called ¿mega sites¿. Five of the largest ¿megä or giant settlements measure between 150-320 ha in size. These, and other big settlements, are concentrated in the Sinyukha River Basin, which is a central part of modern Ukraine. In this region, more than 100 different Tripolye sites are known. The chronology of this region is the key to understanding not only the ¿mega-site¿ phenomenon, but also the dynamics of spatial development within the Tripolye phenomenon in general. The central issue of this study focusses on the reconstruction of the Tripolye chronology in the Sinyukha Basin and its surrounding areas, including the chronology of individual mega-sites, the periodization of spatial Tripolye distribution, the development of ceramic styles, the lifetime of individual sites, and Tripolye settlements in time and space. Special attention is paid to the ceramics as one of the main sources for typo-chronologies. The obtained results provide a new view on the appearance, functions and the end of Tripolye, in general, and of large sites in particular. Contents Introduction 1. Relative Chronology of Tripolye: Research History and State of the Art 2. Introduction to the mega-site region, research questions, sources 3. Chronology on the local scale: the case of Talianki 4. Chronology on the regional scale: sites of the Sinyukha River Basin 5. Tripolye mega and smaller sites of the Sinyukha River Basin Conclusions