Sol is an administrative neighborhood (barrio) of Madrid belonging to the district of Centro.

It has a total area of around 44.5 hectares (less than 0.1% out of the total municipal area). Hugely affected by the impact of tourism, by 2018 it had over 2 tourists per 1 permanent dweller.

40°25′0″N 3°42′14″W / 40.41667°N 3.70389°W / 40.41667; -3.70389