Per Diem Rates
Rates are set by fiscal year, effective October 1 each year. Find current rates in the continental United States ("CONUS Rates") by searching below with city and state (or ZIP code), or by clicking on the map, or use the new Per Diem tool to calculate trip allowances.
The above is from the U.S. General Services Administration website; https://www.gsa.gov/travel/plan-book/per-diem-rates