Britannica Sources used in this answer

Which areas were added to Himachal Pradesh in 1966?

Created from Britannica articles using AI. AI can make mistakes, so verify using Britannica articles.

Steep, green slopes with dense trees rise on both sides of a narrow valley in Kullu Valley, Himachal Pradesh, India, with mist and clouds partially obscuring the peaks. — Himachal Pradesh The valley of the gods, Kullu Valley, central Himachal Pradesh, India.

In 1966, Himachal Pradesh was significantly enlarged through the merger and absorption of numerous Punjab hill areas. These included:

The regions surrounding Shimla, Kangra, and Kullu.
The district of Lahaul and Spiti.
Parts of the districts centered at Ambala, Hoshiarpur, and Gurdaspur.1