Yamato

The Yamato Empire is one of the locations in Japan.

Description
Yamato is the location where Hayato and Karen Kisaragi, as well as Miharu Kashiwagi and Sakura Kirishima was all born until their various departures for a number of different reasons. Soon after the death of their parents, both Hayato and Karen had returned home where they entered a home for orphans in the countryside. Hayato and the others soon returned to Yamata during their summer break.

Ryōko Orphanage
This is the institute where both Hayato and Karen were raised after their parent's deaths in the Second Savage Attack in Gudenburg ran by an elderly woman named Kizaki Ryōko.

Kenzaki Dōjō
The Kenzaki Dōjō is the martial art dojo where Hayato trained, which is owned by Ryusei Kenzaki, there aren't a lot of disciples who have trained there with both Hayato and Touko being the only ones.

Trivia

 * Yamato (大和, Great Harmony) was originally the area around today's Sakurai City in Nara Prefecture of Japan which became Yamato Province and by extension a name for the whole of Japan.
 * Yamato's Capital is among the locations that weren't attacked by the savages.