The mayors of Johannesburg and Tshwane say all systems are in place for the Urban 20 Mayoral Assembly on Thursday.
The gathering brings together Mayors from around the world to discuss best practices and strategies for futuristic and climate-resistant cities.
Dada Morero and Nasiphi Moya briefed the media in Pretoria yesterday on their preparedness to host the U20 Assembly.
This years G20 Summit will take place in South Africa, which is the first African nation to host the event since it began over 25 years ago.
The city's diplomacy initiative brings together mayors and delegates of cities from the G20 member countries.