Obviously not. It's one letter shorter than "Chicago", for example. The longest English place name is Llanfairpwllgwyngyllgogerychwyrndrobwllllantysiliogogogoch, which is a village in Wales (on the island of Anglesey) ... which is sort of cheating, because the name was deliberately selected to be long and is basically just Welsh for "the Church of St. Mary in the hollow of the white hazel near the rapid whirlpool and the Church of St. Tysilio with a red cave". The original name was the considerably more reasonable Llanfair Pwllgyngyll (which means the same thing, but stops after "white hazel").
The Great Wen is a nickname for London. London is the capital and largest city in England.
Mexico. Mexico City is both the largest city in the world and the capital of Mexico.
The country that has a capital city with the same name as the country and is the largest city in the world is Russia. The capital is Moscow, which is also the largest city in Russia.
There are several cities in southern England. The largest by population are Bristol and Brighton & Hove. Greater London (commonly known as London) is the largest urban area but it is not a city. Greater London does have two small cities the City of Westminster and the City of London which is also the smallest city by population in England.
Saint Peter's Basilica in Vatican City is the largest church in the world.
Tokyo
I think you mean Mexico but it is actually the tenth largest city.
East London is the name of a city in South Africa. It could also refer to the geographcal east of the city of London in England, or the east of the other cities in the world called London.
It is London England.
Yes. It's other name is Monkey World.
Chang'an was the capital's name. It was the largest capital in the world at the time.
Its Chihuahua!