Budapest are the fifth city to announce that they will bid to host the 2024 Olympic Games.
The Hungarian capital city joins Rome, Boston, Hamburg and Paris to put themselves into contention to stage the event in nine years' time.
The deadline for applicants is September 15, with a final decision being made on the same date in two years' time after a lengthy bidding process.
Hungary are the only one of the 10 most successful nations in the history of the Olympics to have not hosted the Games.