In-Yar was a location on the planet Vulcan and was an estate that belonged to the family of T'Pring. It was located sixty kilometers outside the city's perimeter and the final approach to it consisted of trees as well as a gate. The house itself was a two storied building that was constructed from dark stone that was taken from the Llangon Hills with the walls consisting of climbing vines which sported bright red-orange blossoms. A water fountain was present by the entrance of the estate.
In 2253, T'Pring resided in In-Yar which was a property that belonged to her father and in the same year her betrothed Spock arrived in order to discuss their marriage arrangements. (TOS novel: Vulcan's Glory)