Topaz Residence Apartments, you will challenge the ordinariness in the center of Istanbul. The residences, offices and sustainable living spaces await you. A new mixed-use project is added to Istanbul housing projects. Kale Holding presents the holding, real estate, energy, and building themes under the roof of 3S. With 68 years of sectoral experience, Kale Holding invites investors to qualified living spaces with Topaz Residence Apartments.The project is developed in Topkapi where is one of the historical, social, and cultural life centers of Istanbul. Topaz Residence Apartments provides elegant residences compatible with the beauty of the city. Offering large living spaces with functional designs, 3S Topaz Topkapi project also includes offices and commercial units. You will always gain with the project that will allow you to invest in the center of Istanbul.