Slate Town

Slate Town is a small town in North Tentin. It is the home of the player in Pokémon: Adventure in Tentin, and

the hometown of Ren, your rival.

In Pokémon: Adventure in Tentin
Slate Town is the first town the player travels in Pokémon: Adventure in Tentin.

This is where the player lives and also where Ren lives.

In Pokémon: Return to Tentin
Slate Town is the hometown of the new player, as the original hero of Tentin from the first game has moved away.