A city; an urban area — generally refers to a large town or metropolitan area.
都会での生活は便利だが、人が多くて忙しい。
Life in the city is convenient but crowded and busy.
彼女は田舎育ちだが都会に憧れている。
She grew up in the countryside but longs for the city.
都会の喧騒から離れて休みたい。
I want to get away from the city's noise and rest.
An abbreviation that can refer to the Tokyo Metropolitan Assembly in some contexts (formal name is 'Tokyo Metropolitan Assembly' / 'Togikai').
都会（＝都議会）は来週、条例案を審議する予定だ。
The Tokyo Metropolitan Assembly is scheduled to deliberate the ordinance next week.