Where did Michel de Montaigne write much of the Essays?

Michel de Montaigne wrote much of his Essays in a library located in a tower at his family estate, the Château de Montaigne, in southwestern France.

After retiring from public life in 1571, Montaigne transformed this round room, which was lined with approximately a thousand books and adorned with Greek and Latin inscriptions, into his personal refuge for reading, meditating, and writing. It was within this space that he began the process of putting his "probings and testings of his mind" onto paper, composing the first two books of his Essays between 1571 and 1580.1