A northern, working class industrial and cultural city with a wide variety of people. One of the key cities in the industrial revolution, and the backbone of the country. Despite being smaller than a lot of other cities, an inordiately large amount of industry and talent and culture comes out of manchester, most definitely the capital of the north.
Canberra is the capital of Au, but smaller than Sydney. Go figure.
There is often a debate as to what is the 2nd city in the uk - Birmingham or london. Behind Manchester, of course.