Euston Square is a London Underground station at the corner of Euston Road and Gower Street, just north of University College London (not to be confused with nearby Euston tube station). The station, which is within walking distance of Euston railway station, is on the Circle, Hammersmith & City and Metropolitan lines, between Great Portland Street and King's Cross St. Pancras. It is in Zone 1 of the underground. The postcode is NW1 2LU.