The Belgium midfielder signed a new contract in January, which keeps him at the club until 2023 and Guardiola denied telling a Spanish journalist about his buyout clause.
"The club asked me my opinion and we shared our opinions and, after that, it is the club and the agent".
Registering a league-high 16 assists, De Bruyne was one of the star men for City as they clinched last season's Premier League title, wiping out a host of records in the process.
The 32-year-old has been an ever-present during Manchester City's rise in the Sheikh Mansour era having joined the club from Valencia in 2010.
Although he did not cite any specific countries, Guardiola said he enjoyed living overseas. "His body language is the same as last season and he was the best young player in the league", Guardiola said.
"Sometimes this kind of thing needs time".
"We know how they play the football, we know it's not easy to play at the Etihad".
Thanks Etisalat UAE, we've needed something to take the piss out of City for, we just didn't want it to come with this much cringe.
Liverpool could see themselves win the English top Flight this season as they were the only weakness the defending champions have.