
In Sri Lanka, districts are the second-level administrative divisions, and are included in a province. There are 25 districts organized into 9 provinces. Each district is administered under a district secretary, who is appointed by the central government. The main tasks of the district secretariat involve coordinating communications and activities of the central government and divisional secretariats. The district secretariat is also responsible for implementing and monitoring development projects at the district level and assisting lower-level subdivisions in their activities, as well as revenue collection and coordination of elections in the district. A district is divided into a number of Divisional Secretary's Divisions, which are in turn subdivided into 14,022 grama niladhari divisions. There are 331 DS divisions in the country.
Ampara District is one of the 25 districts of Sri Lanka, the second-level administrative divisions of the country. The district is administered by a District Secretariat headed by a District Secretary appointed by the central government of Sri Lanka. The capital of the district is the town of Ampara. The district was carved out of the southern part of Batticaloa District in April 1961.

Anuradhapura is a district in North Central Province, Sri Lanka. Its area is 7,179 km².

Badulla is a district in Uva Province, Sri Lanka. The entire land area of the Badulla district is 2,861 km2 and total population is 837,000. The district is bounded by the districts of Monaragala and Rathnapura on the East & South, by Ampara and Kandy districts on the North and by Nuwara Eliya and Matale on the West. Mainly the economy of the district is based on agricultural farming and livestock.

Batticaloa District is one of the 25 districts of Sri Lanka, the second level administrative division of the country. The district is administered by a District Secretariat headed by a District Secretary appointed by the central government of Sri Lanka. The capital of the district is the city of Batticaloa. Ampara District was carved out of the southern part of Batticaloa District in April 1961.

Colombo District is one of the 25 districts of Sri Lanka, the second level administrative division of the country. The district is administered by a District Secretariat headed by a District Secretary appointed by the central government of Sri Lanka. The capital of the district is the city of Colombo. The district of Colombo was officially recorded in 2016 as having the highest income on average, per household.

Galle is a district in Southern Province, Sri Lanka. It is one of 25 districts of Sri Lanka, the second level administrative division of the country. The district is administered by a District Secretariat headed by a District Secretary appointed by the central government of Sri Lanka.

Gampaha District is one of the 25 districts of Sri Lanka, the second level administrative division of the country. It is the second most populous district of Sri Lanka after Colombo District. The district is administered by a District Secretariat headed by a District Secretary appointed by the central government of Sri Lanka. The capital of the district is the town of Gampaha. Negombo however is the largest city and the commercial hub of Gampaha district. The district was carved out of the northern part of Colombo District in September 1978.

Hambantota District is a district in Southern Province, Sri Lanka. It is one of 25 districts of Sri Lanka, the second level administrative division of the country. The district is administered by a District Secretariat headed by a District Secretary appointed by the central government of Sri Lanka.

Jaffna District is one of the 25 districts of Sri Lanka, the second level administrative division of the country. The district is administered by a District Secretariat headed by a District Secretary appointed by the central government of Sri Lanka. The capital of the district is the city of Jaffna.
Kalutara District is one of the 25 districts of Sri Lanka, the second level administrative division of the country. The district is administered by a District Secretariat headed by a District Secretary appointed by the central government of Sri Lanka. The capital of the district is the town of Kalutara.

Kandy District is a district of the Central Province of Sri Lanka. Its area is 1906.3 km². The capital of the district is Kandy.

Kegalle is a district in Sabaragamuwa Province, Sri Lanka. It is one of 25 districts of Sri Lanka, the second level administrative division of the country. The district is administered by a District Secretariat headed by a District Secretary appointed by the central government of Sri Lanka. It was a former Dissavani of Sri Lanka.
Kilinochchi District is one of the 25 districts of Sri Lanka, the second level administrative division of the country. The district is administered by a District Secretariat headed by a District Secretary appointed by the central government of Sri Lanka. The capital of the district is the town of Kilinochchi.

Kurunegala is a district in North Western Province, Sri Lanka. Consists of 4812.7 km2 48,1270 Hectares and Consists 30 Divisional Secretariats, 1610 Grama Niladari Divisions and 4476 total Villages. It consists of 14 Electorate Divisions, 02 Municipal Council, 19 Urban Councils, 15 Parliamentary Ministers, 47 Provincial Council Members, 15 Ministers and 337 Local Council Members.

Mannar District is one of the 25 districts of Sri Lanka, the second level administrative division of the country. The district is administered by a District Secretariat headed by a District Secretary appointed by the central government of Sri Lanka. The capital of the district is the town of Mannar.

Matale District is a district in Central Province, Sri Lanka. It is one of 25 districts of Sri Lanka, the second level administrative division of the country. The district is administered by a District Secretariat headed by a District Secretary appointed by the central government of Sri Lanka. The administrative capital and largest city of the district is Matale.

Matara is a district in Southern Province, Sri Lanka. It is one of 25 districts of Sri Lanka, the second level administrative division of the country. The district is administered by a District Secretariat headed by a District Secretary appointed by the central government of Sri Lanka.

Monaragala is a district in Uva Province of Sri Lanka. It is the second largest of the 25 districts in Sri Lanka, with an area of 5,636 km2 (2,176 sq mi).

Mullaitivu District is one of the 25 districts of Sri Lanka, the second level administrative division of the country. The district is administered by a District Secretariat headed by a District Secretary appointed by the central government of Sri Lanka. The capital of the district is the town of Mullaitivu.

Nuwara Eliya District is a district in Central Province, Sri Lanka, centered on the tourist city of Nuwara Eliya.

Polonnaruwa District is one of the 25 districts of Sri Lanka, the second level administrative division of the country. It is also one of the two districts of North Central Province and has an area of 3,293 km².

Puttalam is a district situated near to the west coast of Sri Lanka. It has an area of 3,072 km2 (1,186 sq mi). Along with the Kurunegala District, it formulates the North Western Province of Sri Lanka. The district capital is Puttalam, which borders the Kala Oya and Modaragam Aru in the north, Anuradhapura District and Kurunegala District in the east, Ma Oya in the south, and the Indian Ocean in the west. Puttalam is well known for its picturesque lagoons, popular for shallow sea fishing and prawn farming activities. The town of Kalpitiya, and the Kalpitiya Peninsula, is located in this district.

Ratnapura is a district of Sri Lanka in the Sabaragamuwa Province.

Trincomalee District is one of the 25 districts of Sri Lanka, the second level administrative division of the country. The district is administered by a District Secretariat headed by a District Secretary appointed by the central government of Sri Lanka. The capital of the district is the city of Trincomalee.

Vavuniya District is one of the 25 districts of Sri Lanka, the second level administrative division of the country. The district is administered by a District Secretariat headed by a District Secretary appointed by the central government of Sri Lanka. The capital of the district is the city of Vavuniya.