This research paper examines the impact of external factors on the dynamics of foreign direct investment (FDI) trends in specific economies. The same subject will be analyzed through the examples of the Visegrad Group and the Republic of Serbia. The aim of the research is to determine the existence of a link between the impact of foreign direct investments on the growth and development of the economy observed through gross domestic product (GDP) in the 1990-2018 period. The results of the research indicate that Poland was the most successful in attracting and keeping FDI, compared to other countries. Further, the volume of FDI has been dependent on several external factors, such as overall business environment, economic crisis, political risks, positions in relevant institutions, pandemic, etc. Moreover, for the Republic of Serbia, it will be important that all stakeholders in the country have a proactive approach in order to keep FDI in the country. Finally, representatives of the authorities should be committed to fulfilling promised deals related to the regional cooperation and EU (European Union) accession and integration.