Linked from
The 18 pages that link to Tajikistan, each with the reason it gives.
Pamir MountainsNarrower topic: Most of the Pamirs lie within Tajikistan’s Gorno-Badakhshan region.
DushanbeNarrower topic: Dushanbe is Tajikistan’s capital and largest city.
Vakhsh RiverNarrower topic: Nearly the entire Vakhsh course lies within Tajikistan.
KhujandNarrower topic: Khujand is Tajikistan’s principal northern city.