Annapurna I is tenth among Earth's fourteen eight thousanders. It rises east of the Kali Gandaki Gorge separating it from Dhaulagiri massif. 8167 meters Dhaulagiri I is 34 km to the west and the gorge between is considered Earth's deepest.
Annapurna is a section of the Himalayas in north-central Nepal, that includes 8,091 meters (26,545 ft) Annapurna I, 13 additional peaks over 7,000 m (22,970 ft) and 16 more over 6,000 meters (19,690 ft). This section is a 55 km (34 mi)-long massif. More info in Wikipedia.