Area Iceland: 103000 Km²
Capital Reykjavik: 1000 Km²
Farmland area: 23800 Km²
Lakes, dams: 2757 Km²
The total area of glaciers: 11922 Km²
Waste land areas, desert: 64538 Km²
The length of the coast of Iceland: 4970 Km

The highest mountains of Iceland:
Hvannadalshnjúkur: 2119 m n.m.
Hvannadalshnjúkur or Hvannadalshnúkur is located on the northwest edge of the hill Örafajökull in Skaftafell National Park.
Bárðarbunga: 2000 m n.m.
Active volcano Bárðarbunga is the second largest mountain Iceland, situated in the Glacier Vatnajökull Kverkfjöll: 1920 m n.m.
Mountain glaciers on the northern outskirts of Vatnajökull
Snæfell: 1833 m n.m.
Hofsjökull: 1765 m n.m.
Herðubreið: 1682 m n.m. the mountain of the Icelanders
Eiríksjökull: 1675 m n.m.
Eyjafjallajökull: 1666 m n.m.
Tungnafellsjökull: 1540 m n.m.
Kerling: 1538 m n.m.
Þorvaldsfell in Askja: 1510 m n.m.
Hekla: 11491 m n.m.

The biggest glaciers in Iceland:
Vatnajökull: 8.300 Km²
Vatnajökull is the largest glacier Iceland, situated in the southeastern part of the island and takes up more than 8% of the area. It is also the largest glacier in Europe.
Langjökull: 953 Km²
Hofsjökull: 925 Km²
Mýrdalsjökull: 596 Km²
Drangajökull: 160 Km²
Eyjafjallajökull: 78 Km²
Tungnafellsjökull: 48 Km²
Þórisjökull: 32 Km²
Eiríksjökull: 22 Km²
Þrándarjökull: 22 Km²
Tindafjallajökull: 19 Km²
Torfajökull: 15 Km²
Snæfellsjökull: 11 Km²

The largest lakes of Iceland:
Þórisvatn: 83-88 Km²

Þórisvatn is the largest lake in Iceland, on the river Þjórsá.
Þingvallavatn: 82 Km²
Lögurinn: 53 Km²
Mývatn: 37 Km² (mosquito Lake)
Hvítárvatn: 30 Km²
Hóp: 30 Km²
Langisjór: 26 Km²

The longest and largest rivers of Iceland:
Þjórsá: 230 Km, the average flow rate is 390 m³ / s
Þjórsá River is the largest and longest river Iceland. Sources of the river to plateau in cental part of the island. The flow creates numerous waterfalls. On the inflow Fossá is waterfall Háifoss high 122 m, which is the second highest on the island. Þjórsá River estuary into the Atlantic Ocean. The flow is built medium-sized hydro Búrfellsvirkjun.
Jökulsá/Fjöllum: 206 Km
Ölfusá/Hvítá: 185 Km
Skjálfandafljót: 178 Km
Jökulsá/Dal: 150 Km
Lagarfljót: 140 Km
Héraðsvötn: 130 Km
Blanda: 125 Km
Fnjóská: 117 Km
Hvítá in Borgarfjörður: 117 Km
Kúðafljót: 115 Km
Markarfljót: 100 Km

The highest waterfalls Iceland:

Glymur – on the river Botnsá, height of 190 m
Háifoss – on the river Fossá, height of 122 m
Hengifoss – on the river Hengifossá, height of 110 m
Seljalandsfoss – on the river Seljalandsá, height of 65 m
Skógafoss – on the river Skógá, height of 62 m
Dettifoss – on the river Jökulsá á Fjöllum, height of 44 m
Gullfoss – on the river Hvítá, height of 32 m
Hrauneyjafoss – on the river Tungnaá, height of 29 m
Hjálparfoss – on the river Fossá, height of 13 m
Reykjafoss – on the river Svartá in Skagafjör?ur, height of 13 m
Goðafoss – on the river Skjálfandafljót, height of 12 m

All these numbers an statistics are from www.lmi.is