Add to ORKGThe aim of this thesis is an analysis of complaints on the advertising campaigns in terms of ethics in Czech and Slovak Republic and the comparison of decisions for these advertising campaigns raised by Councils for advertising in CR and SR. The theoretical part deals with the definition of marketing communications, the definition of advertising as a form of commercial and marketing communications. There are also discussed and compared Codes of ethic adopted by the Councils in both countries. The practical part deals with specific complaints on the controversial advertising campaigns. As advertising influences the general public, this chapter highlights the importance of ethics which are also contained in the Codes