🇮🇩 Lamongan Regency

Lamongan Regency is a regency of the East Java Province of Indonesia. It has a total land area of approximately 1,812.8 km2 (699.9 sq mi) or + 3.78% of the area of East Java Province. With a length of 47 km (29 mi) along the coastline, the sea area of Lamongan Regency is about 902.4 km2 (348.4 sq mi), if calculated to a distance of 12 miles (19 km) 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 of mid 2025 was 1,370,318. The regency seat is the town of Lamongan, situated on the Solo River which passes from west to east through the regency, effectively dividing it in two.