Ayer (Malay name: Ayer) is a city-district (like a City-State) located at the central region of Bascal. It borders with Pagar Karat to the east, Padang Hijau to the northwest and Singapore Street to the south. It has a population of 1, it is the second largest district by population and seventh by size. It's capital is Dapor town.
Ayer is divided into two areas that is
- Dapor city Area
- Tanoh Area