Missolonghi (, Mesolongi) is a municipality of 34,416 people (according to the 2011 census) in western Greece. The town is the capital of Aetolia-Acarnania regional unit, and the seat of the municipality of Iera Poli Messolongiou (Sacred City of Missolonghi). Missolonghi is known as the site of a dramatic siege during the Greek War of Independence, and of the death of poet Lord Byron.