Kuwait lies at the north-west corner of the Arabian Peninsula, between latitudes 28 and 30 N and longitudes 46 and 48 E bounded to the north and the west with the Republic of Iraq, and to the south and south-west with the Kingdom of Saudi Arabia. The geo-statistical information of Kuwait illustrates a total area of 17,818 km2 , land boundary of 240 km with Republic of Iraq, land boundary of 250 km (155 miles) with the Kingdom of Saudi Arabia, coastline of 500 km on the Arabian Gulf with the 9 islands. Due to its location in the Arid region, the weather of the country is characterized by long, hot and dry summers and short, warm and sometimes rainy winters. Dust storms occur frequently with a rise in humidity during summer. Kuwait's terrain is mainly flat desert plain with shallow depressions and a few low-lying hills with remarkable features of Wadi Al-Batin. The main revenue for Kuwait is from petroleum and petrochemical industries.