found: Eren, M. Zağnos Paşa, 1987:t.p. (Balıkesir)
found: Gaz. of Turkey, 1984(Balıkesir, ppl 39°39ʹN 27°53ʹE, Balıkesir İli)
found: Balıkesir Sempozyumu, 2007:cover (Balıkesir Belediyesi)
found: GEOnet, 31 October 2018(Balıkesir, Balıkesir İli, Turkey, seat of a first-order administrative division, 39°38ʹ57ʺN, 027°53ʹ10ʺE (39.649167, 27.886111); variants: Achyraus; Adrianouthērai; Balikesr; Balikesri; Bali-Kessir; Balukisu; Belikesir; Belikiser; Hadrianutherae; Karassi)
found: Nişanyan, S. Adını unutan ülke, c2010:p. 52 (Balıkesir: Balak hisar < Greek pélekys "axe" or pelekâs "woodpecker"; Karesi İB (<1924); first settled in the Karesi Beyliği period; Greek *Palaiokástro "old fortress" is an undocumented etymology. Early Turkish name written as: Balık Hisar or Balak Hisar; mostly likely takes name from nearby mountain Pelekas (Yılanlı) Dağı)
