Lysimachia (Thrace) Lysimachia (Thrace) Lysimachia () was an important Hellenistic Greek town on the north-western extremity of the Thracian Chersonese (the modern Gallipoli peninsula) in the neck where the peninsula joins the mainland in what is now the European part of Turkey, not far from the bay of Melas (the modern Gulf of Saros). The city was built by Lysimachus in 309 BCE, when he was preparing for the last struggle with his rivals; for the new city, being situated on the isthmus, commanded the road from Sestos to the north and the mainland of Thrace. In order to obtain inhabitants for
Western Thrace demographics of the region toward increased ethnic homogenization within the territories each respective country ultimately was awarded. This was followed by the large-scale Greek-Turkish population exchanges of 1923 (Treaty of Lausanne), which finalized the reversal of Western and Eastern Thrace region's pre-Balkan War demography. The treaty granted the status of a minority to the Muslims in Western Thrace, in exchange for a similar status for the ethnic Greek minority in Istanbul and the Aegean islands of Imbros and Tenedos. After the German invasion (April 1941), the area was occupied by Bulgarian troops, as part of the triple Axis occupation of