Abu Dhabi sits on an island in the Persian Gulf at coordinates approximately 24.4539° N, 54.3773° E, connected to the mainland by three bridges: Maqta Bridge, Mussafah Bridge, and Sheikh Zayed Bridge. The city occupies the larger portion of Abu Dhabi Island, which measures roughly 70 square kilometers, with urban development extending onto the adjacent mainland and smaller islands including Al Reem Island, Saadiyat Island, and Yas Island. The emirate of Abu Dhabi, which the city governs, covers approximately 67,340 square kilometers, representing 87 percent of the United Arab Emirates' total land area. The capital's metropolitan population reached 1.48 million in 2020 according to the UAE Statistics Center, making it the country's second-largest urban area after Dubai. The city experiences a hot desert climate classified as BWh under the Köppen system, with summer temperatures regularly exceeding 42 degrees Celsius between June and September and humidity levels often surpassing 90 percent during these months due to proximity to the Gulf. The name Abu Dhabi translates to "father of the gazelle" in Arabic, referencing this founding narrative. The Bani Yas tribe under the Al Nahyan family established permanent settlement on the island in 1793, with Sheikh Shakhbut bin Dhiyab Al Nahyan moving the tribal capital from Liwa to the coast. Throughout the 19th century, Abu Dhabi operated as a pearling port and modest trading post with a population estimated at 5,000 to 6,000 inhabitants living primarily in barasti houses constructed from palm fronds. The British colonial administration signed a treaty with Sheikh Zayed bin Khalifa Al Nahyan in 1892, placing Abu Dhabi under British protection as part of the Trucial States arrangement that lasted until 1971.
Oil discovery transformed the settlement from fishing village to capital city within two decades. Petroleum Development Trucial Coast, later renamed Abu Dhabi Petroleum Company, found oil in commercial quantities at the Bab field in 1960 and began exports from the offshore Umm Shaif field in 1962. Oil revenues during the rule of Sheikh Zayed bin Sultan Al Nahyan, who acceded in 1966, funded systematic urban development under master plans prepared by Japanese architect Katsuhiko Takahashi and British firm Halcrow. The first plan established the grid street pattern still visible in central Abu Dhabi, with plots allocated for residential districts, government complexes, and the corniche waterfront. When the United Arab Emirates formed on December 2, 1971, through union of six emirates initially (Ras Al Khaimah joined February 1972), Abu Dhabi became the federal capital, a status written into the provisional constitution that remained in effect until 1996 when amendments made it permanent.
The Sheikh Zayed Grand Mosque dominates the capital's western skyline from its 2007 completion, covering 22,412 square meters and accommodating 40,960 worshippers across its main prayer hall, outdoor courtyards, and auxiliary prayer rooms. Italian, German, Moroccan, Indian, Turkish, Iranian, and Chinese artisans contributed to construction between 1996 and 2007 at a reported cost exceeding 2 billion dirhams. The structure contains 82 white marble domes, with the largest central dome measuring 32.8 meters in diameter and rising 85 meters above ground level. Four minarets stand 107 meters tall at each corner. The main prayer hall displays a single Iranian carpet measuring 5,627 square meters and weighing 47 tons, hand-knotted by approximately 1,200 artisans over two years. Seven crystal chandeliers from the German company Faustig hang throughout the mosque, with the largest in the main hall measuring 10 meters in diameter, 15 meters in height, and weighing 12 tons while incorporating 15,500 LED lights and Swarovski crystals. The mosque opens to non-Muslim visitors outside prayer times, receiving approximately 500,000 tourists annually before 2020.
Qasr Al Hosn represents the oldest surviving stone structure in Abu Dhabi, with the original coral-stone watchtower constructed around 1760 to protect the freshwater well discovered on the island. Sheikh Shakhbut bin Dhiyab converted the watchtower into a small fort circa 1793 when moving the Bani Yas settlement from Liwa. Sheikh Zayed bin Khalifa expanded the fort between 1795 and 1816, adding the outer palace structure that enclosed the inner fort. The complex served as ruling family residence and government seat until 1966, then housed various government offices and a cultural center before closing for comprehensive restoration in 2007. The restoration project, managed by the Abu Dhabi Authority for Culture and Heritage (now Department of Culture and Tourism), required 11 years and reopened to visitors in December 2018. The restored complex occupies approximately 6,500 square meters and includes the Inner Fort, Outer Palace, National Consultative Council building, and Cultural Foundation. Archaeological excavations during restoration uncovered artifacts dating to 6,000 BCE, now displayed in the permanent exhibition.
The Corniche extends 8 kilometers along the northwestern shore of Abu Dhabi Island from the Emirates Palace Hotel northeast to the Hilton Abu Dhabi hotel, completed in phases between 2000 and 2014. The waterfront development includes a 4-kilometer pedestrian path, separate cycling track, grass parks totaling 200,000 square meters, and Abu Dhabi Beach with 1,300 meters of public coastline. The Abu Dhabi Municipality maintains Blue Flag certification for designated swimming beaches along the Corniche, requiring water quality testing every two weeks during summer months. Elevation along the Corniche averages 2 to 3 meters above mean sea level. The promenade provides views northeast across the channel toward the mangrove forests of the mainland coast and northwest to the open Gulf waters.
The city's master plan divides Abu Dhabi Island into numbered sectors and streets with separate naming systems for Arabic and English usage, creating navigation challenges. Hamdan Street runs northeast-southwest through the central business district, named after Sheikh Hamdan bin Mohammed Al Nahyan who died in 1963. Airport Road connects the island to Abu Dhabi International Airport 30 kilometers east on the mainland, handling 23.3 million passengers in 2019 through terminals serving Etihad Airways and other carriers. The airport occupies land between Musaffah industrial area and the Sweihan desert, with three parallel runways measuring 4,100 meters, 4,000 meters, and 2,813 meters. A fourth runway extending 4,100 meters opened in 2012. The new Midfield Terminal opened to passengers in November 2023, designed for 45 million annual passengers initially with expansion capacity to 92 million.
Sheikh Zayed Bridge, designed by architect Zaha Hadid and completed in 2010, spans 842 meters connecting Abu Dhabi Island to the mainland via the Maqta channel. The bridge deck rises in sweeping curves supported by three asymmetrical steel arches reaching heights of 60 meters, 64 meters, and 68 meters. Eight lanes accommodate vehicle traffic, with the structure designed to handle 15,000 vehicles per hour. Construction cost approximately 1 billion dirhams. The bridge replaced an older crossing at the same location. Maqta Bridge, the city's first mainland connection built in 1967, continues operating parallel to the modern structure, while Mussafah Bridge serves industrial traffic to the south.
Saadiyat Island, located 500 meters off the northeastern coast of Abu Dhabi Island, encompasses 27 square kilometers designated for cultural development and residential communities under the Saadiyat Cultural District master plan announced in 2007. The Louvre Abu Dhabi opened November 11, 2017, as the first institution completed under this plan, following a 2007 intergovernmental agreement between France and the United Arab Emirates. The museum building, designed by French architect Jean Nouvel, sits partially over the Gulf waters with its distinctive dome spanning 180 meters in diameter and weighing 7,500 tons. The dome's geometric pattern contains 7,850 unique perforated metal stars arranged in eight overlapping layers, creating moving light patterns on interior surfaces that the architect termed the "rain of light" effect. The building encompasses 9,200 square meters of permanent gallery space and 2,000 square meters for temporary exhibitions.