Pakistan is located in South Asia and borders Afghanistan to the north, India to the east and southeast, the Arabian Sea to the south, and Iran to the west. The capital of Pakistan is the city of Islamabad, but the city of Karachi is also considered as its largest city. Politically, Pakistan has the system of government of the Islamic Republic. The land of Pakistan is governed by a president and a prime minister. Pakistan is formed as a federal republic and has four major provinces (Punjab, Sindh, Balochistan and Khyber Pakhtunkhwa), special administrative regions (Islamabad and Federal) and other regions including independent liberties (North, South and West Waziristan). Pakistan has a mixed economy in which a major part of the economy is in private hands and the other part is in the hands of the government. The currency of Pakistan is the Rupee (PKR). The official language of Pakistan is English and the local language is Urdu. Also, Punjabi, Sindhi, Pashto and Balochi are official and local languages used in some areas of Pakistan. The majority of the people of Pakistan consider Islam as their religion, but there are also minorities in the country, including Hindus, Christians, Sikhs, Baha'is and Zoroastrians. As for the market, trade and industry of Pakistan, the country has a large and dynamic economy based on various industries such as apparel, textile, automotive, steel, food manufacturing and IT services. Pakistan also operates as an exporting and importing country. Pakistan's imported products include food, machinery, fuel, household appliances, electronics, sanitary and pharmaceutical products. Pakistan also exports products such as clothing, textiles, textile products, cotton, palm oil, food, automobiles, and construction materials. Pakistan's largest trading partners include China, the United States of America, the United Arab Emirates, Saudi Arabia, and Iran. These countries are close to Pakistan in trade and economic cooperation. Most of Pakistan's income comes from various sources including exports of garments, textiles, petrochemical products, agricultural products (such as cotton, rice, tea and fruits), machinery and IT services. Also, the field of transportation and related services also plays an important role in the economy of Pakistan.