- Aranayaka
- Aranayaka Colony
- Arandara
- Aranigaha
- Arathotawella
- Arukgammana Pahalagama
- Arukmulla
- Aruppala
- Asamanakanda
- Asideniya
- Asmadala
- Asselimulla
- Assella
- Asuwa Estate
- Atalawa
- Atale
- Attanagoda
- Attapitiya
- Atugoda Ihalagama
- Atukadeniyawatta
- Atulauda
- Atulugama
- Aturupana
- Ayagama
- Abimanthota
- Adawikanda
- Adhikariya
- Agalagamuwa
- Agalawatta
- Agalegama