Yamaboshi City

The city in which the events of Kokoro Connect takes place. The town is not explicitly named, but the signs on the subway in the anime shows a station is called Yamaboshi North and the writing on the posters during the Club Presentation has the city's name on them.

Description
A large city with residential and shopping districts. A large river runs through the town.

Trivia

 * The city featured in Kokoro Connect is based on Yokohama city.
 * In the novel, there was only one hint that this was in Yokohama. The hint was the ferris wheel on top of a shopping mall which is only found at the Mosaic Center of Yokohama City.

Reference
Comparisons of Anime and Real Life