It currently houses the largest part of the Ivan Lendl collection of Mucha artworks.

Swiss entrepreneur Sebastian Pawlowski had bought and renovated Kounice Palace [cs], under condition from the Prague government it be used for a cultural purpose.

[2] The Mucha Foundation eventually sought to find a new location for the gallery, as the size of the old premises caused crowding issues.

[5] The Mucha Foundation claimed that they terminated their contract with Pawlowski, who they state owed several million koruna and had kept the paintings in conditions which could have damaged them.

[2] The termination of the contract triggered several intellectual property disputes, as the Mucha Foundation claims it was what allowed the museum to use its name.