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

Complete
United Kingdom → Marseille, Bouches Du Rhone, France
Item Name Destination Amount Conditions
Meals Marseilles, France 28.5 EUR 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 Marseilles, France 86 EUR 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 Marseilles, France 92.5 EUR 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 Marseilles, France 190.5 EUR per night No specific conditions
Breakfast Marseilles, France 0 EUR per meal This amount is included in the room rate, so it is not paid separately on top of the lodging rate.
Lunch Marseilles, France 24.5 EUR per meal No specific conditions
Dinner Marseilles, France 53.5 EUR per meal No specific conditions
Incidentals Marseilles, France 0 EUR 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 Marseilles, France 8 EUR per day No specific conditions
Transport Marseilles, France 6.5 EUR per day Covers daily travel between the employee's hotel and office.
Total residual Marseilles, France 92.5 EUR 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.