Oceania. Geography Location: Oceania, island group of nine islands comprising three reef islands and six true atolls in the South Pacific Ocean. The islands of Tuvalu are spread out between the latitude of 5° to 10° south and longitude of 176° to 180°, west of the International Date Line. Geographic coordinates: to Map references: Oceania Area: total: 26 km2 land: 26 km2 water: 0 km2 Area – comparative: 0.1 times the size of Washington, DC Land boundaries: 0 km Coastline: Maritime claims: contiguous zone: exclusive economic zone: and territorial sea: Tuvalu's Exclusive Economic Zone (EEZ) covers an oceanic area of approximately . On 29 August 2012 an Agreement between Tuvalu and Kiribati concerning their Maritime Boundary, was signed by their respective leaders that determined the boundary as being seaward of Nanumea and Niutao in Tuvalu on the one hand and Tabiteuea, Tamana and Arorae in Kiribati on the other hand, along the geodesics connecting the points of latitude and longitude set out in the agreement. In October 2014 the prime ministers of Fiji and Tuvalu signed the Fiji-Tuvalu Maritime Boundary Treaty, which establishes the extent of the national areas of jurisdiction between Fiji and Tuvalu as recognized in international law under the 1982 United Nations Convention on the Law of the Sea. Climate: tropical; moderated by easterly trade winds (March to November); westerly gales and heavy rain (November to March). Terrain: low-lying and narrow coral atolls. Elevation extremes: lowest point: Pacific Ocean 0 m highest point: unnamed location, on Niulakita. Extreme points: This is a list of the extreme points of Tuvalu, the points that are farther north, south, east or west than any other location: Northernmost point – Lakena islet, Nanumea Easternmost point – Niuoko islet, Nukulaelae Southernmost point – Niulakita Westernmost point – Lakena islet, Nanumea Natural resources: fish Land use: arable land: 0% permanent crops: 60% other: 40% (2011) Irrigated land: NA km2 Trees and shrubs Most common trees Thaman (2016) described about 362 species or distinct varieties of vascular plants that have been recorded at some time on Tuvalu, of which only about 59 (16%) are possibly indigenous. The most common trees found on all islands are coconut (Cocos nucifera) stands, hibiscus (Hibiscus tiliaceus), papaya (Carica papaya), pandanus (Pandanus tectorius), salt bush (Scaevola taccada), Premna serratifolia, Tournefortia samoensis, zebra wood (Guettarda speciosa), Kanava (Cordia subcordata), (beach cordia) and terminalia (Terminalia samoensis). Indigenous broadleaf species, including Fetau