Keep scrolling down for answers and more stats ...
1.
Cities with a population over 25 Million
S. Paulo has a little over 20 Million
2.
Transcontinental cities
Madelín is completely in South America
3.
African cities controlled by European countries
Antananarivo is the capital of Madagascar, which in turn is not administred by any european country
4.
Former cities' names
Constantinople [Istanbul]
✓
Berlin and Düsseldorf and diferent modern-day cities
5.
Island Cities
Voancouver City is city in the island of Vancouver, along with 11 others
6.
Most populous cities of their countries which are NOT the capital
Skopje is the Capital and the most populous city in North Macedonia
7.
Capital cities of Japan, historical and modern-day
Nagoya is an industrial centre, however it was never the Capital of Japan
8.
Modern-day South Africa Capital cities
Johannesburg is the largest city, not the capital
9.
Country namesake capital cities
Capital of Nicaragua is Managua
10.
Modern day City-States
Gibraltar is not considered a city-state, it is an overseas territory administred by the UK