Khorog is the provincial capital of Gorno-Badakhshan province, in Tajikistan.

The operation is yet another attempt by the Tajik government, which has little influence in the area, to bring Gorno-Badakhshan under its full control....The pre-dawn attack on fighters loyal to Mr Ayombekov deep in the Pamir mountains underlines the continuing instability of the impoverished former Soviet republic 15 years after the end of a civil war....It took place three days after State Committee on National Security (GKNB) regional head Abdullo Nazarov was found dead.
Link to news report:http://www.bbc.co.uk/news/world-asia-18965366

Link to BBC's Country Profile:http://www.bbc.co.uk/news/world-asia-16201032

The map on the news report at least shows where this happened.