Which one is an Autobiographical poem of Lord Byron?

Lord Byron, in full George Gordon Byron, 6th Baron Byron, (born January 22, 1788, London, England—died April 19, 1824, Missolonghi, Greece), British Romantic poet and satirist whose poetry and personality captured the imagination of Europe.
- Renowned as the “gloomy egoist” of his autobiographical poem Childe Harold’s Pilgrimage (1812–18) in the 19th century, he is now more generally esteemed for the satiric realism of Don Juan (1819–24).

Source: Britannica