What do people call grandmother in Australia?

In Australia, people commonly refer to their grandmothers as "Gran", "Grandma", "Grandmother", "Nana", or "Nanny". These terms are used as informal and affectionate titles to address grandmothers within families. Depending on regional variations and personal preferences, other terms such as "Granny", "G-Ma", or "Mema" may also be used.