276 places sacred to Shiva, which are sung about by 3 of 63 Nayanars – Tirugnanasambandar, Tirunavukkarasar, Sundarar – in the Tevaram, a part of the Tirumurai.
Read about Padal Petra Sthalam
Not (yet?) complete https://www.dharisanam.com/
The counterpart of the Vishnu tradition are the 108 Divya Desham.