Lomse was a quarter of eastern Königsberg in Germany (now Kaliningrad, Russia). Lomse was located on the western end of Lomse Island in the Pregel River; the large island is now known as October Island (Russian: Октябрьский остров). The Neuer Pregel, the northern branch of the river, separated Lomse from Kneiphof to the west, Altstadt to the northwest, and Löbenicht to the north. Lomse's territory is now part of Kaliningrad's Moskovsky District and Lomse is now known as Oktyabrsky Island, in honor of the October Revolution.