Both are tourist cities with many businesses that are adopting bitcoin. Rolante has been doing this for a longer time and Santo Antonio is newer to the adoption, as far as I know. 
Here are the project websites:

https://www.bitcoineaqui.com.br/
https://nostr.com/npub18fh6flnjt9aa3jlnp5k3kd9zr6v5mlpeczhdx4qheytfyyqfpe7s2y0lzm

I don't know if there are members of the communities here in SN.

LibertasBR

Thanks for the ground level information. Do you know much about those two public circular economies? Could they be running an instance?