"She is a great figure in European history, notably in Great Britain, and her death is an occasion to remember her with respect," Josipovic told reporters in Jakovlje.
Like any such politician, she will be bid farewell with approval as well as criticism of her term in office, he added.
Thatcher died of a stroke on Monday and her funeral will be held on April 17 in St. Paul's Cathedral in London, with Queen Elizabeth II attending.