eCitibiz is a highly customizable, industry-standard operations system designed to efficiently manage all workflows of the Citizenship and Business department within Nigeria's Ministry of Interior. This portal provides a seamless process for handling legal matters for Nigerian citizens, offering services such as Marriage Applications, marriage certificates, Place of Worship Licenses, Nigerian Citizenship, and Expatriate Quota Licenses for business establishment. Users can easily register or access services as guest users. Detailed information, including marriage requirements and necessary documents for each service, can be found on the eCitibiz portal.