Here are The biggest ones in order of population:
- Istanbul, Turkey (Europe and Asia) – 14 million
- Suez, Egypt (Africa and Asia) – 560,000
- Orenburg, Russia (Europe and Asia) – 550,000
- Magnitogorsk, Russia (Europe and Asia) – 400,000
- Atyrau, Kazakhstan (Europe and Asia) – 220,000
There are some smaller ones, and there are also a few cities that are very close to the continental edge and could be considered if you include their metro area.