King's Cross St Pancras (/ˈkɪŋz ˈkrɒs sənt ˈpæŋkrəs/; also known as King's Cross & St Pancras International) is a London Underground station on Euston Road in the London Borough of Camden, Central London. It serves King's Cross and St Pancras main line stations in London fare zone 1, and is served by six lines: Circle, Hammersmith & City, Metropolitan, Northern, Piccadilly and Victoria. The station was one of the first to open on the network. As of 2024, it is the 2nd busiest station on the network for passenger entrances and exits combined.
On the Circle, Hammersmith & City and Metropolitan lines, the station is between Euston Square and Farringdon stations. On the Bank branch of the Northern line the station is between Euston and Angel stations, on the Piccadilly line it is between Russell Square and Caledonian Road stations, and on the Victoria line it is between Euston and Highbury & Islington stations.