These contain inscriptions recording their dedication, as well as the Schism Edicts and the Queen's Edict.
They were inscribed around the 13th year of Ashoka's reign.

Sanchi pillar (Schism Edict)
Sarnath pillar  (Schism Edict)
Allahabad pillar ((Schism Edict, Queen Edict, and also Major Pillar Edicts)
Lumbini (Rummindei), Nepal (the upper part broke off when struck by lightning; the original horse capital mentioned by Xuanzang is missing) was erected by Ashoka where Buddha was born.

Nigali Sagar (or Nigliva), near Lumbini, Rupandehi district, Nepal (originally near the Buddha Konakarnana stupa)
These contain inscriptions recording their dedication, as well as the Schism Edicts and the Queen's Edict. They were inscribed around the 13th year of Ashoka's reign.
Sanchi pillar (Schism Edict)
Sarnath pillar  (Schism Edict)
Allahabad pillar ((Schism Edict, Queen Edict, and also Major Pillar Edicts)
Lumbini (Rummindei), Nepal (the upper part broke off when struck by lightning; the original horse capital mentioned by Xuanzang is missing) was erected by Ashoka where Buddha was born.
Nigali Sagar (or Nigliva), near Lumbini, Rupandehi district, Nepal (originally near the Buddha Konakarnana stupa)
Pillars of Ashoka