The digital creatures have been reported at the former concentration camp Auschwitz in Poland, the US Holocaust Memorial Museum in Washington DC and the National September 11 Memorial in NY, provoking frustrated responses from the representatives of some of the sites.
Authorities at the museum said they introduced the ban because playing the game on the premises was "disrespectful on many levels".
Sawicki added the museum had already contacted game creators and asked them "not to allow the site of Auschwitz Memorial and other similar sites to be included in the game". Most of the victims were European Jews who perished in the gas chambers, but there were also Poles, Roma, Soviet prisoners of war and others.
A woman points her smart phone at the Brandenburg Gate as she plays the Pokemon Go mobile game in Berlin on July 13, 2016.
The same day, the U.S. Holocaust Memorial Museum in Washington, D.C., also issued a statement condemning playing the game on its grounds.
It will be no shock, then, to hear that the organisation is not best pleased that Pokemon Go has placed three Pokestops within its building, resulting in plenty of folk wondering around its halls on the hunt for AR critters.
In Pokémon Go a player take the role of a "trainer", travelling to real locations to "catch" virtual Pokémon that can be found using a smartphone's Global Positioning System and camera.
Hollinger told the paper the museum is generally open to new technology, and encourages visitors to share their experiences of visiting the exhibits on social media.
Game developers Niantic Labs have not yet said whether they will respond to requests to remove Pokemon from sensitive and unwanted locations.
It became the top-selling app on both iPhone's app store and Google Play just days after its release in the US, Australia and New Zealand.