Information and communication technology sector and Information and communication technology companies are considered in general level as a highly potential for contemporary and future development for each economy with significant positive impact on labour productivity, economic growth and standard of living. The present article is focused on analysis of 7 assessable indicators characterizing ICT sector on regional levels NUST 3 in the Czech Republic between years 2008 and 2015. These selected sectoral indicators were than used in a hierarchy cluster analysis in the Ward method. Four clusters were created with different levels of development potential of ICT. Quest is to find regions in Czech Republic where information and communication technology is develops similarly or which are sectorally similar. Based on results from cluster analysis we can devide and name the formed groups of regions in context of their share on ICT acitivities. Analysis of information and communication sector which is defined by European classification of economic activities NACE Rev.2., in section J, information and communication, is based mostly on empirical data from Czech Statistical Office on regional level NUTS 3.