Kaduwela (Sinhala: කඩුවෙල, Tamil: கடுவெலை) is the largest city in Sri Lanka by land area, covering 87.71 km2 (33.87 sq mi).

[1] The city is composed of three divisions called Kaduwela, Battaramulla and Athurugiriya and is located in the Colombo District, Western Province, Sri Lanka.

It was the location of a shrine of the goddess Pattini, linked to a golden sword used in the 'water cutting' ritual.

There is also another Kaduwela in the Ukuwela division of Matale district According to Robert Percival of the 19th Regiment of Foot, during the Revolt of 1797 against the Dutch, the Sinhalese threw up earthworks and established a fort here.

They were later reinforced by a mixed force of European troops and sepoys under Captain Charles Wilkinson Mercer of the 51st Regiment, prior to the Battle of Hanwella.