The Sky Blues' club director, Martin van Geel, confirmed that the 16-year-old will join Manuel Pellegrini's side, according to Goal.com's Dutch football expert, Stefan Coerts:
The Dutch under-16 international operates primarily as a defensive midfielder in Feyenoord's youth set-up and has made five appearances for his country throughout friendly competition, according to TransferMarkt.
According to The People's Alan Nixon, City beat Liverpool and Chelsea to the youngster's signature, with the Mirror's Jim Hughes stating that he had met with officials at Anfield, despite his current club desperately looking to keep him for the long-term.
A compensation will need to be drawn up between the Citizens and the Dutch outfit, as Kongolo has been brought up through the Feyenoord youth system.
The deal shows City's intent to look to the future, bringing in one of European football's top young talents in a bid to ensure the side's long-term prospects are secure. In an era of Financial Fair Play, youth players will be a key part of keeping costs down.
As tweeted by freelance journalist Dembe-MCFC, Kongolo has been tipped as the next Patrick Vieira, which will only excite City fans of his bright future:
On arrival, Vieira could have an instant impact on the midfielder's career as the former Arsenal legend works as the club's reserve team manager and manages the elite development squad.
Inclusion in either of these sides would place Kongolo in perfect position to learn his trade in the English game, and it would offer him a perfect mentor to further enhance his skills as he is moulded into a future City star.
Invaluable knowledge to learn from, and should the youngster prove a success in his early days at the club, he will prove a financial masterstroke by City bosses.