Based on the search results, Nile Business City is a development project located in the New Capital City of Egypt. The project appears to offer a range of commercial and residential units for sale, including offices and apartments. It is said to be the tallest tower in Egypt and Africa and features a range of amenities such as underground parking, landscaped gardens, and 24/7 security. Nile Development is the real estate developer behind this project. Prices per square meter for commercial units start from 44,500 EGP, and details on payment methods may be available through the developer. It is recommended to contact a real estate agent or the developer directly for more specific information on this project.