At which place in Karnataka did Adi Shankaracharya establish the first of four mathas?

Answer 1

Adi Shankara has established four major mathas in different regions of India and list is as follows.
Govardhana Matha, Odisha – Rig Veda.
Sharada Peetham, Karnataka – Yajur Veda.
Dwaraka Pitha, Gujarat – Sama Veda.
Jyotir Math, Uttarakhand – Atharva Veda.