Eterna City is a city located in the northeastern part of the Sinnoh region. Located here is a Pokémon Center, a Pokémart, the only Herb Shop in Sinnoh, the Bicycle Shop, a Galactic Hideout, and the Eterna City Gym. To the west of the city is Eterna Forest; to the south of the city is Cycling Road; and to the east of the city is a route that leads to Mt. Coronet. A statue of one of the Time-Space Pokémon is built in the western part of the city.
Eterna City is an ancient city known for the statue at the west of the city. It is also a popular town for elderly people because of the fresh air that looms over the city. However, it is still a busy town. That is why they decided to locate a gym there. It is also known for connecting the past and the present. The Eterna City Gym Leaders name is Gardenia.