Based on the search results, Nile Business City is a mixed-use development in the New Administrative Capital of Egypt, developed by Nile Developments. The project includes residential, commercial, and retail components, and is built on an area of around 150 acres.

Nile Business City is known for its innovative design and sustainable features, including the use of renewable energy sources, green spaces, and energy-efficient technologies. The development also features a range of amenities, including a shopping mall, restaurants, a five-star hotel, and a conference center.

The project's residential component includes a range of units, from apartments to townhouses and villas, designed to provide a luxurious and modern lifestyle. The residential units are complemented by a range of recreational facilities, including swimming pools, gardens, and sports facilities.

Overall, Nile Business City is a flagship project by Nile Developments, offering a modern and sustainable living and working environment in the New Administrative Capital of Egypt. For more specific information about Nile Business City, including prices, payment plans, and available units, it is recommended to contact a real estate agent familiar with the area or Nile Developments directly.

Note: Although Bleu Vert is not mentioned in the search results for Nile Business City, it is possible that it is located nearby or is part of the same general area.