A modern Japanese kotatsuThe underside of an electric kotatsu, with the heater visible in the centreTypes of heating and layers of the kotatsuEdo-periodkotatsu at the Fukagawa Edo MuseumMametan [ja] coal briquettes mostly used in the early twentieth century
A kotatsu (Japanese: 炬燵 or こたつ) is a low, wooden table frame covered by a futon, or heavy blanket, upon which a table top sits. Underneath is a heat source, formerly a charcoal brazier but now electric, often built into the table itself.[1]Kotatsu are used almost exclusively in Japan, although similar devices for the same purpose of heating are used elsewhere, e.g. the Spanish brasero or Iranian korsi.
^"Kotatsu". Jisho.org. Archived from the original on 4 January 2015. Retrieved 23 September 2013.
