Anustar City is the second City that the player visits (Without counting the starter town)
Then go to the Kurt house. He will give you the TM70 - Flash
In the middle of the city, there is a Mine, go ahead and go down the stairs. You will find a Super Potion.
There isn't any battle house in this city.
If you have a good level (11-15) you should go to Anustar City gym