I believe it's Peking, to the Chinese. Hope that helps!
The older name was Peking.
Beijing is also known as Peking.
Peking
Present day Beijing has had a number of names across the years e.g. Zhongdu , Dadu , Cambuluc ; see related link to this historic city .
It was known in the recent past as Peking.
The modern name of Peking, China is Beijing, China. It was formerly known as Peking due to the way the Chinese alphabet was being translated at the time.
The "water cube' in Beijing Chinawater cube
WATER CUBE
china
If you are referring to the city in China, Peking is an older English name for Beijing.
Beijing used to be known as Peking in English cultures during the 1800s and early 1900s. It has also been known by many different names in China throughout its history.
Peking duck