The aim of the study is to present and describe a possible interaction between currently en vogue economic spheres - project management and marketing. On the basis of the research carried out, the authors identify key elements of marketing instrumentary which might be applied by project planning and implementation within a developing region of the Slovak republic. The method was analysed in practice for a chosen type of a project related to life-long learning education which was implemented in the Presov self-governing region. The article is one of the outcomes of the research project Research on determinants and activating elements accelerating regional development and proposal for an informed model aimed at increasing competitiveness of the region with the support of a specific marketing instrumentary registered at the Grant Agency of the Slovak Republic, filed under 1/4638/07 and at the Centre of excellence CEVKOG.