The answer to this question is determined by your passport origin and purpose of visit. Most nationalities require a visa to enter Nigeria. If your passport is from any one of the 15 ECOWAS countries, you do not need to apply for a visa prior to visiting Nigeria. The same applies to Cameroonians and other nationals with a visa waiver agreement with Nigeria. However, if your purpose of visit is work or project, you need to contact the nearest Nigerian Embassy or Consulate in your location for guide