Jerusalem (CNSNews.com) - The Anti-Defamation League is demanding that a Belgrade hotel remove the large portrait of Adolf Hitler and change the theme of its most popular suite.

The Mr. President Hotel, in Belgrade, Serbia, offers hotel rooms named after past or present world leaders. Among them is the $200-a-night Hitler suite, where a portrait of the uniformed German dictator, with a swastika on his arm, hangs on the wall over the king-sized bed.

Other suites honor President George W. Bush, his father, former President George H.W. Bush, former British Prime Minister Margaret Thatcher, Cuban Leader Fidel Castro, former Russian dictator Joseph Stalin and former Yugoslavian communist dictator Josip Broz Tito.

But the Hitler room, number 501, reportedly is the most popular and is occupied mainly by German, Croat and Slovenian guests, hotel owner Dusan Zabunovic was quoted as saying.

The Anti-Defamation League has appealed to the Zabunovic to remove Hitler's portrait and change the suite's theme before International Holocaust Remembrance Day on Sunday.

Zabunovic has not specifically commented on the ADL's complaint, but on Wednesday, the hotel manager told Cybercast News Service, "It's not just marketing. We placed the (Hitler) picture there because we don't want to forget the bad things that Hitler has done."

The manager said he's not sure if the Hitler portrait will be removed, but he added that the hotel does not want to attract negative publicity.

The manager also said Hitler isn't the only controversial leader. He mentioned one Serbian man who didn't want to sleep in the Bill Clinton suite.

'Gross marketing ploy

"Hitler orchestrated the mass murder of six million Jews, including tens of thousands of Serbian Jews, and others," said ADL National Director Abraham H. Foxman, who is a Holocaust survivor.

"Promoting the opportunity to sleep under his portrait denigrates the memory of those who perished in the Holocaust, who in Belgrade included Jews, Serbs and Roma [Gypsies]," Foxman said in a statement.

Foxman said that using Hitler as a promotional gimmick is a "gross marketing ploy" that "demonstrates a profound failure to understand the horror of the Holocaust."

He also said that it was "deeply disturbing" that there is reportedly a high demand for the suite.

According to reports, there is no law in Serbia prohibiting the display of Hitler's picture or related symbols.

The Serbs were persecuted during World War II by the Nazis as were the Jews and the Gypsies. But Zabunovic said he would not exclude Hitler from his new hotel just as Madame Tussaud's wax museum and other museums would not eliminate him from their exhibits.

Zabunovic told ABC News that Hitler's victims would "turn in their graves" if there was no memorial to "what a monstrous criminal he was."