Dubai is situated on the Persian Gulf coast of the United Arab Emirates and is roughly at sea level. The emirate of Dubai shares borders with Abu Dhabi in the south, Sharjah in the northeast, and the Sultanate of Oman in the. Hatta, a minor exclave of the emirate, is surrounded on three sides by Oman and by the emirates of Ajman and Ras Al Khaimah. The Persian Gulf borders the western coast of the emirate. Dubai is positioned at 25.2697°N 55.3095°E and covers an area of 1,588 sq mi (4,110 km2), which represents a significant expansion beyond its initial 1,500 sq mi (3,900 km2) designation due to land reclamation from the sea.