This report explores the strategic marketing concepts used by Sainsbury, the second largest supermarket chain in the UK, for market entry and market segmentation. It discusses the market entry options, such as strategic alliances, mergers, and foreign direct investment, and evaluates the target market of Sainsbury. The report also covers the importance of market segmentation and how it helps in personalizing marketing strategies. The characteristics of market segmentation, such as age, lifestyles, and gender, are discussed as well.