As an accountant, my expertise is in financial matters related to businesses and individuals. However, I will try my best to provide you with some information about the compound Castle Landmark in New Capital, Egypt.

Castle Landmark is a luxurious residential compound located in the New Capital city, Egypt. It is built on an area of 33 acres and is developed by Madinet Nasr for Housing and Development. The compound consists of apartments, duplexes, villas, and townhouses.

The compound includes many high-end amenities, such as:

1. A commercial mall that features a variety of shops and restaurants.
2. A children's play area equipped with toys and entertainment.
3. Sports halls and indoor and outdoor swimming pools.
4. Barbecue areas and gathering spaces.
5. 24/7 security and surveillance system.

The prices of the units in Castle Landmark vary according to the type, size, and location of the unit. To get specific details about the prices and availability of units, you may need to contact the company responsible for the project.