The first in a series of five volumes of inventories of 'First Neolithic Sites' in Europe. The series will consist of I) Bulgaria, II) Romania, III) Eastern Hungary, IV) Eastern Slovakia, V) Southeastern Poland. The main themes of each volume will be: 1) General information about cultural evolution at the onset of the Neolithic, 2) Additional data on cultural and economic problems specific for a given region, 3) A list of radiometric dates, 4) A catalogue of sites in alphabetical order.