"'I am the property of Nishida of Nara'," she said.
This was doubtless Lord Nishida.
"What is Nara?" I asked.
"I do not know," she said.
On the common Gorean collar it might be a city, a district, even a cylinder. On her collar, for all I knew, it might be a place, a port, a caste, a family, a clan, or something else. I did not know what. I would later learn it was a citadel, a lofty fortress castle.
Swordsmen of Gor    Book 29    Page 234
Hopefully, this answers your question.