Lamongan Regency is a regency () of East Java Province of Indonesia. It has a total land area of approximately or + 3.78% of the area of East Java Province. With a length of along the coastline, the sea area of Lamongan Regency is about , if calculated to a distance of across the ocean surface. At the 2010 census it had a population of 1,179,059; the 2020 Census produced a total of 1,379,628 and the official estimate as at mid 2022 was 1,386,941. The regency seat is the town of Lamongan.
Lamongan Regency is surrounded by: Northern side : Java Sea Southern side : Mojokerto Regency and Jombang Regency Eastern side : Gresik Regency Western side : Tuban Regency and Bojonegoro Regency
The economy is mainly supported by agriculture, fishery, and commerce, especially home industry.
Administrative districts
Lamongan Regency consists of twenty-seven districts (kecamatan), tabulated below with their areas and population totals from the 2010 Census and the 2020 Census, together with the official estimates as at mid 2022. The table also includes the locations of the district administrative centres, the number of administrative villages in each district (totaling 462 rural desa and 12 urban kelurahan), and its postal codes.
Climate
Lamongan has a tropical savanna climate (Aw) with moderate to little rainfall from May to November and heavy rainfall from December to April. The following climate data is for the town of Lamongan.
Paciran Port
On 29 April 2013, Paciran Port (Class I ASDP) was officially opened to support the overloaded Tanjung Perak Port.
Sport
Persela is a football team based in Lamongan. Former Persela Lamongan goalkeeper Choirul Huda was from Lamongan.