The main objective of the chapter is to provide a comprehensive overview of the development of the digital economy in the context of foreign direct investment flows, especially from the European Union member states point of view. First, the term and conceptualization of the digital economy is introduced, followed by an overview of theoretical background and empirical findings related to the role of foreign direct investment in the digital transformation of the economy. In this regard, the nature, position, and international footprint of digital multinational enterprises are also analyzed. The level of the digital economy and society development in the context of foreign direct investment flows is evaluated specifically in the conditions of the European Union member states. The conclusion summarizes the main partial findings, evaluates them in a mutual context, and brings implications for future research.