business district; office complex
Refers to an area of a city where many office buildings are concentrated, similar to ビジネス街.
See also: ビジネス街
The area around this station is a business district, bustling with office workers during the day.
There are many convenience stores and cafes in the office district.
Marunouchi is Tokyo's business district.
Since this café is in the business district, it's always crowded at lunchtime.
Walking through the business district at night, the streets are quiet with few people around.