Khentii aimag is a region in Mongolia with many historically significant sites related to the life of Genghis Khan. Notable locations include:

  • Deluun Boldog, the birthplace of Genghis Khan.
  • Aurag, where his residential palace was located and where the "Secret History of the Mongols" was written in 1240.

There are numerous sites of interest in the region, such as rock paintings, ruins of cities from the 13th and 14th centuries, stone walls from the Khitan dynasty, Khajuu Bulag, and Ulaagchiin Kherem.

Khukh Nuur (Blue Lake) is reputed to be the site where Temuujin was crowned as Genghis Khan in 1206. A small plaque marks the spot of the coronation, which is said to have been attended by 100,000 soldiers.

The Khan Khentii Protected Area spans over 1.2 million hectares of the rugged Khentii Mountains, featuring numerous peaks over 2,000 meters and 70 rivers, including the major rivers Tuul, Onon, and Kherlen.

Tsogt Chandmani Peak serves as a watershed dividing the basins of the Arctic Ocean, Pacific Ocean, and Central Asia.

The Baldan Bereiven Monastery, one of the three largest monasteries in Mongolia, was built in 1777 and housed over 1,500 lamas. Architecturally, it resembles the famous Utai Gumbun Monastery in Tibet.

Burkhan Khaldun, known as the Hill of God in the Khentii range, is one of the debated burial sites of Genghis Khan, with over 800 burial sites found in the region.

Eastern Mongolia, less visited despite its rich historical significance and diverse landscapes, includes the Dornod Mongol Biosphere Reserve and the Mongol Daguur Strictly Protected Area, home to 226 bird species and 36 mammals, including the white-tailed Mongolian gazelle.

The Numrug Strictly Protected Area features flora and fauna distinct from the rest of Mongolia, with high biodiversity and rare species like the Ussurian moose and the hooded crane.

Buir Lake, the largest lake in eastern Mongolia, is a significant local fishing site with species such as Amur carp and Amur grayling.

Sukhbaatar aimag features over 220 extinct volcanoes, lakes, sand dunes, and ancient stone monuments. Dariganga is renowned for its silversmiths and blacksmiths, with the Altan Ovoo crater and Shiliin Bogd Peak (1,778 m), believed to rejuvenate the spirit.

Taliin Agui Cave, one of the largest in Mongolia, and the lakes of the Ganga Nuur Nature Reserve are other notable attractions, with Ganga Nuur Lake hosting thousands of migratory swans from early August to late October.