The Alps are the highest mountains in Europe. It stretches in a 1,200 km long and between 150 and 250 km wide arch from the Ligurian Sea to the Pannonian Basin. The summit heights in the western mountain ranges are usually between 3,000 and 4,300 m above sea level, in the Eastern Alps, the mountains are slightly lower.
The highest peak in the Alps is the Mont Blanc at 4,810 m. 128 mountains of the Alps are four-thousanders, many more or less glaciated. The Alps are divided into numerous mountain groups and chains. The Alpine region covers areas of the eight Alpine states France, Monaco, Italy, Switzerland, Liechtenstein, Germany, Austria and Slovenia.