Mărculescu and members of the various Technical Committees evaluated progress in a series of joint meetings and site visits, alongside the Budapest 2017 Organising Committee.

The World Championships will be held between July 14 and 30, with the eyes of the world set to be on Budapest after their bid for the 2024 Olympics and Paralympics was withdrawn amid referendum fears.

During the visit, FINA members assessed preparations for each of their six disciplines: swimming, diving, synchronised swimming, open water swimming, water polo and high diving. 

The Danube Aquatics Arena, which was inaugurated by triple Rio 2016 Olympic swimming gold medallist Katinka Hosszú last month, was a key venue to be visited.

"I am amazed by the arena, the venue is fantastic," said Kathy Seaman, chair of the FINA Technical Committee for Diving.

"I see that everybody is working hard and preparations are making good progress."

High diving, recently introduced to the FINA World Championships programme, will be hosted at the Batthyányi Square embankment, facing the city's Parliament buildings.

The delegation also visited City Park, which will stage synchronised swimming competitions, amid claims "the views and beauty" were highly impressive.

"The budget for the World Championships is always discussed and studied in depth," said Marculescu.

"All Hungarian people will enjoy the advantages of this amazing complex.

"A project like this is really important in order to improve the general health and fitness of society."

Budapest stepped in to stage the event after original hosts, Mexican city Guadalajara, pulled out due to fears over falling oil prices in 2015.

The city was initially due to stage the 2021 edition, which has since been awarded to Fukuoka in Japan.