A subsurface current flowing eastward along the equator. A narrow, swift-flowing ribbon with a thickness of 200 m and a width of at most 400 km, it displays the largest current speeds of the equatorial current system. (http://glossary.ametsoc.org/wiki/Equatorial_undercurrent)
Andorra, officially the Principality of Andorra, is a landlocked country on the Iberian Peninsula, in the eastern Pyrenees in southwestern Europe, bordered by France to the north and Spain to the south. (Wikipedia. 2026. Andorra https://en.wikipedia.org/wiki/Andorra)