This paper focuses on building research model and analyzing the main factors influencing foreign direct investment (FDI) attraction in the Southern Key Economic Region during the period of 2005 - 2016. Based on theories and empirical studies, the authors identified the key factors that affect FDI attraction in that area. Through the development of hypotheses, a quantitative research mode l with Stata software help ed to select an estimation method with reliable and effective test results. The selected research method was the estimation method according to 3 approaches: OLS (P OOLED Regress Model) the least estimation method, Fix Effect Model (FEM), and Random Effect Model (REM). | Identify factors affecting foreign direct investment capital in the southern key economic region
