This report delves into the core concepts of marketing within the travel and tourism sector, focusing on London as a prime example. It examines the micro and macro environments influencing the industry, analyzes consumer motivations and demand, and explores the principles of market segmentation. The report further investigates the importance of strategic marketing planning and the role of marketing research in shaping successful tourism strategies. It then dissects the marketing mix elements of Expedia.com, a leading online travel agency, and assesses the significance of service sector mix elements. Finally, the report examines the integrated nature of the promotional mix and proposes an integrated promotional campaign for Expedia.com, highlighting the crucial role of online promotion, public relations, and sales promotion in achieving marketing objectives.