Nigeria visa fees for various countries available @ https://immigration.gov.ng/visa-fees/
Visa free countries for and to Nigeria is accessible @ https://nigerianfinder.com/visa-free-countries-for-nigerians/
ECOWAS Travel Certificate. Information about the ECOWAS travel certificate can be accessed at https://immigration.gov.ng/ecowas-travel-certificates/
Visa on arrival: Information about visa on arrival please is available @ https://immigration.gov.ng/voa-new/