Libyssa/Libysa a small village of Bithynia, west of Nicomedia is known for containing the tomb of Hannibal. According Pliny the Elder "the town of Libyssa formerly stood at the spot where we now see nothing but the tomb of Hannibal". The oldest known history of the Bithynia region, including Libyssa - Gebze,dates to the XII century BC. Plutarch (50-125), in: Titus "Flamininus there is a sandy tract in Bithynia on the sea-shore, and on its border a large village called Libyssa. Near this village Hannibal was living".
See:
- Pliny the Elder, Natural History, V. CHAP. 43.BITHYNIA (John Bostock, M.D., F.R.S. H.T. Riley, Esq., B.A. London. Taylor and Francis, Red Lion Court, Fleet Street. 1855)
- Ammianus Marcellinus, Rerum Gestarum (ed. John C. Rolfe, Ph.D., Litt.D.)
- Plutarch's Lives, Titus Flamininus, chapter 20. 4, London. William Heinemann Ltd. 1921 - http://www.perseus.tufts.edu/hopper/text?doc=Perseus:text:2008.01.0044:chapter=20&highlight=libyssa