It had a circular plan so precise in measurement that the Persian historian Ibn Balkhi wrote it to be "devised using a compass".
Firuzabad is a settlement built under Adaschir I and a well-documented example of Sasanian urban planning.
They were born in Firuzabad, a city in southwest Iran, to Dadollah Bijani and Maryam Safari, members of a farming family from Lohrasb.