This is the 650th most frequent Turkish word.
adıyaman
Adıyaman: A city and province in southeastern Turkey.
Here, 'Adıyaman' is used as a subject of the sentence, referring to the name itself.
Adıyaman kelimesi Anadolu'daki yer isimlerinden biridir.
The word Adıyaman is one of the place names in Anatolia.
In this context, 'Adıyaman' again refers to the city, this time as a locative complement, showing where the action will take place.
Bu yıl tatilimi Adıyaman’da geçirmeye karar verdim.
This year, I decided to spend my vacation in Adıyaman.
Here, 'Adıyaman' is used as a proper noun referring to the name of a city in Turkey.