Dubai is situated on the Persian Gulf coast of the United Arab Emirates and is roughly at sea level (16 m/52 ft above). The emirate of Dubai shares borders with Abu Dhabi in the south, Sharjah in the northeast, and the Sultanate of Oman in the southeast. Hatta, a minor exclave of the emirate, is surrounded on three sides by Oman and by the emirates of Ajman (in the west) and Ras Al Khaimah (in the north). The Persian Gulf borders the western coast of the emirate. Dubai is positioned at 25°16′11″N 55°18′34″E / 25.2697°N 55.3095°E / 25.2697; 55.3095 and covers an area of 4,114 km² (1,588 mi²), which represents a significant expansion beyond its initial 1,500 mi² designation due to land reclamation from the sea.