Lambeth was a civil parish and metropolitan borough in south London, England. It was an ancient parish in the county of Surrey. The parish was included in the area of responsibility of the Metropolitan Board of Works in 1855 and became part of the County of London in 1889. The parish of Lambeth became a metropolitan borough in 1900, following the London Government Act 1899, with the parish vestry replaced by a borough council.

Lambeth is a district in South London, England, in the London Borough of Lambeth. Lambeth was an ancient parish in the county of Surrey. It is situated 1 mile (1.6 km) south of Charing Cross, across the river from Westminster Palace. The population of the London Borough of Lambeth was 303,086 in 2011. The area experienced some slight growth in the medieval period as part of the manor of Lambeth Palace. By the Victorian era the area had seen significant development as London expanded, with dense industrial, commercial and residential buildings located adjacent to one another. The changes brought by World War II altered much of the fabric of Lambeth. Subsequent development in the late 20th and early 21st centuries has seen an increase in the number of high-rise buildings. The area is home to the International Maritime Organization. Lambeth is home to one of the largest Portuguese-speaking communities in the UK, and Portuguese is the second most commonly spoken language in Lambeth after English.