However, he emphasized that the ministry does not wish to intervene in the marketplace, but wishes to safeguard the country' s tourism industry as well as Greece's image abroad.
Figures show that only 10% of Attica hotels are looking to increase their rates excessively.
The Hellenic Chamber of Hotels and EOT have sent to those particular hotels letters demanding they justify the increases they seek.
"The 2004 Olympic Games will provide the opportunity for growth and development of the tourism sector; practices disgracing the Greek tourism industry will not be allowed," Liaskos said.
The Association of Greek Tourist Enterprises (SETE) in a written statement issued on Thursday also condemned "any profiteering practices and exploitation of tourists during the Olympic Games as such practices are damaging to the entire Greek tourism industry."