Archar Peninsula (Bulgarian: полуостров Арчар, romanized: poluostrov Archar, IPA: [poɫuˈɔstrof ɐrˈt͡ʃar]) located in the North-Western extremity of Greenwich Island, Antarctica. The three km long peninsula is bounded by Razlog Cove to the North and McFarlane Strait to the South. Its western half is snow-free in summer. The peninsula is named after the settlement of Archar in Northwestern Bulgaria, successor of the ancient town of Ratiaria.