Definition of «regional competitiveness» is given. Main conceptions of regional competitiveness are analyzed. Conception of regional economy competitiveness transformation is outlined and a new regional paradigm – the region as an I-centre (investment, innovations, intellect and information) – is proposed. The fact that the I-centres are the generators of new competitive advantages in the conditions of informative society development and knowledge-based economy is proven. Basic methodical approaches to estimation of the regional competitiveness are analyzed. 

regional competitiveness, competitiveness of national economy, regional transformations, knowledge-based economy