Asos was founded under Venetian rule and it served as the administrative capital of northern Cephalonia from 1593 onwards. Marino Gentilini, an Italian army engineer, was commissioned by the Venetian Senate in 1593-95 to built the Assos Castle, one of the largest in Greece. The castle was initially built with the view that it would protect local populations in case of an invading attack by passing Turks or pirates, but for various reasons, such as the lack of natural springs for water supply, it was never adopted as a fortress and gradually the grand plan was dropped.
- Kallikratis law Greece Ministry of Interior (in Greek)
- Freely, John (2008-04-30). The Ionian Islands: Corfu, Cephalonia and Beyond. I.B.Tauris. ISBN 9780857718280.
- "GENTILINI Winery & Vineyards - About us". www.gentilini.gr. Retrieved 2016-07-06.
- "Assos Castle Kefalonia". www.greekisland.co.uk. Retrieved 2016-07-06.
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