The diploma thesis deals with contextual advertising with a view to Google AdWords. The aim of the thesis is to build a Google AdWords account for a non-profit organization TJ Sokol and to evaluate successfulness as well as potential of these form of advertising in non-profit organizations. In theoretical framework there is a definition of contextual advertising, briefly described its history, principle, advantages and disadvantages. Furthermore there are various contextual advertising systems in Czech Republic compared to each other. The thesis focuses in detail on Google AdWords system description from the initial account creation to its basic parts -- campaigns, ad groups, keywords, ads and conversions. This part also deals with the conn...