Kuressaare 's a town and a municipality on Saaremaa island in Estonia. It's the capital of Saare County. The current population's about 15,300. The town's situated on the coast of Gulf of Riga and's served by Kuressaare Airport. History Kuressaare, first mentioned in 1422, developed around a bishop's castle (Latin Arx Aquilae), first mentioned in 1381. In 1559 it was sold by the Bishopric of Ösel-Wiek to Denmark, and it obtained its civic charter, modeled after that of Riga from Magnus o… (More on Kuressaare)