Look up per diem reimbursement rates and mileage deductions for business travel worldwide.

Complete
United Kingdom → Abuja, Federal Capital Territory, NG
Item Name Destination Amount Conditions
Meals Abuja, Nigeria 7644.5 NGN per day Over 5 hours rate: covers subsistence expenses for a period of more than 5 but less than 10 hours, measured by reference to the times of arrival in and departure from the foreign country.
Meals Abuja, Nigeria 17836.5 NGN per day Over 10 hours rate: covers subsistence expenses for a period of more than 10 but less than 24 hours, measured by reference to the times of arrival in and departure from the foreign country.
Meals and incidentals Abuja, Nigeria 27529 NGN per day 24 hour rate: covers the total cost of meals and daily hotel-to-office travel for a full 24-hour period.; The actual room rate is paid in addition to this amount (source shows the rate as 'plus room rate').
Lodging Abuja, Nigeria 79560 NGN per night No specific conditions
Breakfast Abuja, Nigeria 7233 NGN per meal No specific conditions
Lunch Abuja, Nigeria 6986.5 NGN per meal No specific conditions
Dinner Abuja, Nigeria 9534.5 NGN per meal No specific conditions
Incidentals Abuja, Nigeria 1068.5 NGN per day Source row labelled 'Other': other expenses incurred during the day; employers may use the individual meal and other rates instead of the over 5 hour, over 10 hour and 24 hour rates.
Drinks Abuja, Nigeria 1315.5 NGN per day No specific conditions
Transport Abuja, Nigeria 1391 NGN per day Covers daily travel between the employee's hotel and office.
Total residual Abuja, Nigeria 27529 NGN per day Total residual rate: intended to cover the total cost of meals in a period of 24 hours plus the cost of daily travel between the employee’s hotel and office; the 24 hour rate is the sum of the room rate and this total residual rate.

Source URL:
https://www.gov.uk/guidance/expenses-rates-for-employees-travelling-outside-the-uk
This source provides official travel rate information from gov.uk.