You say Tia abuela.
Tía
Nuestra tía.
"Soy tia!"
El nombre de mi tía es
Tatarabuela rebisabuela Bisabuela --- great grandmother
Tía
Tía is aunt. Bistía is great aunt or grand aunt.
Lev-aunt-a-say
Your mom's aunt is your great aunt.
Nuestra tía.
"Soy tia!"
You say "tía Kristy".
you say call me great aunt not grand aunt
'Great Aunt' in Welsh is 'Hen Fodryb'
Your grandmother's sister is your great aunt
the name tia in spanish is aunt
Your great grandmother's sister is your great great aunt (or some would say, your great grand aunt).