The study offers a comprehensive analysis of international strategic management, highlighting its evolution and key aspects. It explores the stages involved in formulating and implementing strategies, utilizing relevant theoretical models. International Strategic Management (ISM) emerges as a dynamic research field, examining how environmental and organizational factors impact the competitive advantage of Multinational Enterprises. The study emphasizes the need for simultaneous examination and comparison of various factors due to variations in strategic management policies, principles, and implementations across countries. These factors include environmental differences, aptitude disparities, strategic and planning variances, and their performance implications.