British Airways Office in Abuja is located in Nigeria's capital city. Specifically, it's at Sterling Bank Plaza, 3rd Floor, Plot 1083 Mohammadu Buhari Way, Central Business District. Office hours vary, but usual biz hours apply. Customers book flights, resolve issues, and inquire about baggage/services here. Pretty standard BA office – sleek decor, helpful staff.
https://airlinesofficecounters.com/british-airways/british-airways-abuja-office/