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Bahrain (from the Arabic word for "two seas" — itself an inaccurate folk etymology for the much older, non-Semitic term, Bahran) comprises an archipelago of thirty-three islands situated midway in the Persian Gulf close to the shore of the Arabian Peninsula. The islands are about twenty-four kilometers from the east coast of Saudi Arabia and twenty-eight kilometers from Qatar. The total area of the islands is about 691 square kilometers, or about four times the size of the District of Columbia. The largest island, accounting for 83% of the area, is Bahrain (aka Al Bahrayn), which has an extent of 572 square kilometers. From north to south, Bahrain is forty-eight kilometers long; at its widest point in the north, it is sixteen kilometers from east to west.

Geographic coordinates: 26°00' N, 50°33' E

Contents 1 Geographical setting and islands 2 Climate 3 Area and boundaries 4 Resources and land use 5 Environmental concerns 6 References

• It now comprises an archipelago of thirty-two islands(after return of "kasht al-diabel island جزيرة خشت الديبل to Qatar on march 2001).

Around most of Bahrain is a relatively shallow inlet of the Persian Gulf known as the Gulf of Bahrain. The seabed adjacent to Bahrain is rocky and, mainly off the northern part of the island, covered by extensive coral reefs. Most of the island is low-lying and barren desert. Outcroppings of limestone form low rolling hills, stubby cliffs, and shallow ravines. The limestone is covered by various densities of saline sand, capable of supporting only the hardiest desert vegetation--chiefly thorn trees and scrub. There is a fertile strip five kilometers wide along the northern coast on which date, almond, fig, and pomegranate trees grow. The interior contains an escarpment that rises to 134 meters, the highest point on the island, to form Jabal ad Dukhan (Mountain of Smoke), named for the mists that often wreathe the summit. Most of the country's oil wells are situated in the vicinity of Jabal ad Dukhan.

Manama (Al Manamah), the capital, is located on the northeastern tip of the island of Bahrain. The main port, Mina Salman, also is located on the island, as are the major petroleum refining facilities and commercial centers. Causeways and bridges connect Bahrain to adjacent islands and the mainland of Saudi Arabia. The oldest causeway, originally constructed in 1929, links Bahrain to Al Muharraq, the second largest island. Although the island is only six kilometers long, the country's second largest city, Al Muharraq, and the international airport are located there. A causeway also connects Al Muharraq to the tiny island of Jazirat al Azl, the site of a major ship-repair and dry-dock center. South of Jazirat al Azl, the island of Sitrah, site of the oil export terminal, is linked to Bahrain by a bridge that spans the narrow channel separating the two islands. The causeway to the island of Umm an Nasan, off the west coast of Bahrain, continues on to the Saudi mainland town of Al Khubar. Umm an Nasan is the private property of the amir and the site of his personal game preserve.

The other islands of significance include Nabi Salah, which is northwest of Sitrah; Jiddah, to the north of Umm an Nasan; and a group of islands, the largest of which is Hawar, near the coast of Qatar. Nabi Salah contains several freshwater springs that are used to irrigate the island's extensive date palm groves. The rocky islet of Jiddah formely housed the state prison but has now been converted to a holiday resort. Hawar and the fifteen small islands near it are the subject of a territorial dispute between Bahrain and Qatar. Hawar is nineteen kilometers long and about one and one half kilometers wide. The other islands are uninhabited and are nesting sites for a variety of migratory birds.

Bahrain has two seasons: an extremely hot summer and a relatively mild winter. During the summer months, from April to October, afternoon temperatures average 40 °C and can reach 48 °C during June and July. The combination of intense heat and high humidity makes this season uncomfortable. In addition, a hot, dry southwest wind, known locally as the qaws, periodically blows sand clouds across the barren southern end of Bahrain toward Manama in the summer. Temperatures moderate in the winter months, from November to March, when the range is between 10 °C and 20 °C. However, humidity often rises above 90% in the winter. From December to March, prevailing winds from the southeast, known as the shammal, bring damp air over the islands. Regardless of the season, daily temperatures are fairly uniform throughout the archipelago.

Bahrain receives little precipitation. The average annual rainfall is seventy-two millimeters, usually confined to the winter months. No permanent rivers or streams exist on any of the islands. The winter rains tend to fall in brief, torrential bursts, flooding the shallow wadis that are dry the rest of the year and impeding transportation. Little of the rainwater is saved for irrigation or drinking. However, there are numerous natural springs in the northern part of Bahrain and on adjacent islands. Underground freshwater deposits also extend beneath the Gulf of Bahrain to the Saudi Arabian coast. Since ancient times, these springs have attracted settlers to the archipelago. Despite increasing salinization, the springs remain an important source of drinking water for Bahrain. Since the early 1980s, however, desalination plants, which render seawater suitable for domestic and industrial use, have provided about 60% of daily water consumption needs.

Area:
total: 665 km²

• land: 665 km²
• water: 0 km²

Land boundaries: 0 km

Coastline: 161 km

Maritime claims:

• territorial sea: 12 nm
• contiguous zone: 24 nm

Elevation extremes:

• lowest point: Persian Gulf 0 m
• highest point: Jabal ad Dukhan 122 m

Natural resources:

• oil, associated and nonassociated natural gas, fish, pearls

Land use:

• arable land: 2.82%
• permanent crops: 5.63%
• other: 91.55% (2001)

Irrigated land: 50 km² (1998 est.)

Natural hazards: periodic droughts; dust storms

Environment - current issues:
desertification resulting from the degradation of limited arable land, periods of drought, and dust storms; coastal degradation (damage to coastlines, coral reefs, and sea vegetation) resulting from oil spills and other discharges from large tankers, oil refineries, and distribution stations; lack of freshwater resources, groundwater and seawater are the only sources for all water needs

Environment - international agreements:
party to: Biodiversity, Climate Change, Desertification, Hazardous Wastes, Law of the Sea, Ozone Layer Protection, Wetlands signed, but not ratified: none of the selected agreements

• This article contains material from the Library of Congress Country Studies, which are United States government publications in the public domain.
• This article contains material from the CIA World Factbook which, as a U.S. government publication, is in the public domain.