The correct answer is option 2: Central Afghanistan. The town of Chisht is located in Central Afghanistan and is significant because it is the namesake of the Sufi Chishti Silsila. The Chishti Silsila is a spiritual lineage or chain of Sufi masters, and its name is derived from the town of Chisht.

Option 1: Western Turkey is not the correct answer as the town of Chisht is not located in Western Turkey.

Option 3: Eastern Iran is also not the correct answer as the town of Chisht is not located in Eastern Iran.

Option 4: Eastern Iraq is also not the correct answer as the town of Chisht is not located in Eastern Iraq.

It is important to note that the location of the town of Chisht is significant because it is associated with the origin and history of the Chishti Silsila in Sufism.