Rustaq
Rustaq () is a town and "Wilayah" (District) in Al Batinah Region of northern Oman. The wilayah is in the Western Hajar Mountains, in the south of the Batinah. Rustaq was once the capital of Oman, during the era of Imam Nasir bin Murshid al Ya'arubi. Rustaq Fort, built four centuries prior to the 7th century CE, is an imposing structure built on three levels, containing separate houses, an armoury, a mosque and four towers. The tallest tower stands over high, and has a diameter of . The Al Hazm Castle is an outstanding example of Omani Islamic architecture and was  built in 1711 AD. The fort's roof is built on columns, and contains no wooden supports. Its walls can withstand great impact, at no less than thick at any point. Rustaq is an area of healing warm springs, the most notable being 'Ain al-Kasafa. Its waters runs at and are regarded as a cure for rheumatism and skin diseases due to its sulphur content. There are three popular wadis to visit: Wadi Bani Ghafar, Wadi al-Sahtan and Wadi Bani Auf. In addition, the mountains are pitted with caves such as Al Sanaqha Cave with its own subterranean  springs. One of the main occupations in Rustaq is beekeeping. Pure Omani honey is a most sought-after commodity and is of the highest quality. Fruits such as pomegranates, apricots, plums and grapes are grown on the foothills of the Akhdar Mountains and brought to Rustaq for sale. There are also historical mosques in Rustaq, including the Al-Bayada Mosque, the Basra Mosque and the Qasra Mosque. Etymology. The name of this town is a derived from the Middle Iranian "rōstāg", meaning "district" (also in Baluchi, Persian, Kumzari, etc.), New Iranian "rusta", meaning a 'large village.' The term is a  cognate to other Indo-European tongues such as Latin, where 'rustica', means the same thing (whence the source for the English term, 'rustic'). History. During the days of the Sasanian Empire, Al-Rustaq had a Persian "marzban" (military governor), whom Sasanians in the area would report to. Dibba and Tuwwam, which Oman today shares with the UAE, were taxed by Al-Julanda, who were clients of the Sasanians. There are also historical mosques in Rustaq, including the Al-Bayada Mosque, the Basra Mosque and the Qasra Mosque. Economy. Industries. Industries prospered over the years due to the elementary needs of  people Al Rustaq and some other states and regions in Sultanate of Oman. Al Rustaq was made by middle Iranians 40,000 years ago. Omani Halwa is also produced in Rustaq. People come from many places in the time of Eid and other occasions to buy Halwa. Rustaqi Khanjar production has also been done in Rustaq for a very long time. Old men spend hours and hours making Omani codes. Rustaq people have long been known for their care of palm trees and their dates. They have made use of the branches and leaves to build shelter and make baskets. Leather  tanning is also one of the industries in Rustaq. People use leather to save water and food, and for making shoes. Agricultural products. The state is famous for the cultivation of different types of palm including: Khalas, Zabad, Hilali, Al-Mabsli Obo Soih, Almeznaj, Subaa Al-Aroos and Jabri. It is also known for the cultivation of citrus and quince, lemon, Albalnj Alchkak and Nadan, as well as Almstafl and olives (guava), mango (Alamba), bananas and papaya and clover, in addition to seasonal crops such as maize, barley, Algeljlan, onions and garlic. Sport. The Rustaq sports complex is the principal  sports venue of the city, with a football stadium, indoor stadium, and swimming pool.