Madinat al-Hareer (Arabic: مدينة الحرير, meaning "City of Silk"), is a proposed 250 km (62,000-acre) planned urban area in Subiya, Kuwait, an area just opposite Kuwait City. Upon construction, it would include the Burj Mubarak al-Kabir, a natural desert reservation of 2 square kilometres, a duty free area which will be beside a new airport, in addition to a large business center, conference areas, environmental areas, athletic areas, and areas that concentrate on media, health, education, and industry. The City of Silk will also include numerous tourist attractions, hotels, spas, and public gardens. The city will be built in individual phases with total completion within twenty-five years. The development will cost an estimated 25 billion Kuwaiti Dinars (94 billion USD).