D had recently visited Khardung La, Nubra Valley and several Buddhist

D had recently visited Khardung La, Nubra Valley and several Buddhist monasteries. Which one of the following States / UT had she visited ?

Himachal Pradesh
Uttarakhand
Sikkim
Ladakh
This question was previously asked in
UPSC CDS-2 – 2021
D had visited Ladakh.
– Khardung La is a high mountain pass in the Ladakh region of India.
– Nubra Valley is a high-altitude cold desert valley located in Ladakh.
– Ladakh is well-known for its rich Buddhist culture and numerous monasteries such as Hemis, Thiksey, Spituk, Lamayuru, etc., which are popular tourist destinations.
While Himachal Pradesh, Uttarakhand, and Sikkim also have mountain passes, valleys, and Buddhist monasteries, Khardung La and Nubra Valley are specifically famous landmarks located in Ladakh. Ladakh was constituted as a Union Territory separate from Jammu and Kashmir in 2019.