Kelani River

Hendala Leprosy Hospital, established in 1708, is considered one of the oldest leprosy hospitals in South Asia. It is in Hendala, Wattala, Sri Lanka. This historic institution has served patients for centuries. It is considered to be Asia's first leprosy hospital, and is also believed to be the oldest functioning hospital in the world.

Maha Kali Amman Temple is a Hindu temple situated in Mutwal, in Colombo, Sri Lanka. It is dedicated to Mahakali, the Hindu goddess of destruction and doomsday. The temple is believed to have been in existence since the Dutch Period (17-18 centuries A.D.). The main festival of the temple is held in January every year.

Ocean University of Sri Lanka was established in 2014 by an act passed by the Parliament of Sri Lanka. It was earlier called the National Institute of Fisheries and Nautical Engineering. The objective of the university is to conduct academic and professional education and vocational training activities in fisheries, marine and nautical engineering to fulfill and develop the needs of the fisheries and allied sector in Sri Lanka.The Ocean University of Sri Lanka Main Campus is located in Colombo in Crow Island, Mattakuliya, Colombo 15. There are seven regional centers in addition to main campus at Crow Island. They are: Tangalle Kalutara Galle Batticaloa Trincomalee Negombo Jaffna

Wattala (Sinhala: වත්තල, Tamil: வத்தளை) is a large suburb of Colombo city, in Western Province, Sri Lanka, situated around 9 km from Colombo city centre. This suburb is situated on A3 highway from Colombo to Negombo. Around Wattala, there are many villages and towns. People from all walks of life live in this area. The traditional fisher folk, large sections of the working class, many types of white collar workers, a fair number of professionals and even some richer folk live here. Churches, Buddhist temples, Hindu temples, mosques, schools of various grades and many private dispensaries are spread throughout the area. Though it is a majority Roman Catholic area, people of many faiths live here in peaceful coexistence. A sizable population also exists of minority Tamils and a smaller percentage of Muslims. There has been no record of any violence used by one faith group or racial group against another. This area also produces many migrant workers. Almost all families produce one or more persons who go abroad for employment. The migrant workers also bring back income and therefore have an influence in creating new trends in the society. Wattala has become a popular area for living and buying property and has recently become the 3rd most popular city for house searches, according to property website LankaPropertyWeb.com

Rock House Army Camp is a military base located at Modera, north of Colombo in the Western Province of Sri Lanka. It serves as the regimental headquarters of the Sri Lanka Armoured Corps of Sri Lanka Army.

De La Salle College, Colombo is the only school in Sri Lanka dedicated to the Patron Saint of Christian Teachers St. John Baptist de la Salle, founder of the congregation of De La Salle Brothers of the Christian Schools in Latin: "Fratres Scholarum Christianarum"(FSC).

Madampitiya is a suburb in Colombo, Sri Lanka. It is part of the postal area Colombo 15.

Modara (Sinhala: මෝදර, romanized: Mōdara; Tamil: முகத்துவாரம், romanized: Mukattuvāram), also known as Mutwal (anglicised version), is a municipal ward of Colombo, capital of Sri Lanka. The mouth of the river Kelani Ganga also lies nearby. It is part of the postal area Colombo 15.

St. Anne's Church, Wattala (Sinhala: සා. ආනා දේවස්ථානය, වත්තල is a Roman Catholic church located in Wattala, Gampaha District, Sri Lanka. It was established in 1872 as another Church of the Archdiocese of Colombo. The church is dedicated to Saint Anne.

Bloemendhal is a suburb in Colombo, Sri Lanka. Bloemendhal is also part of an area numbered Colombo 13. The name Bloemendhal is of Dutch origin, meaning 'Valley of Flowers'.

St. Anthony's College, Wattala (Sinhala: ශා. අන්තෝනි විද්‍යාලය, වත්තල Tamil: சாந்த அந்தோனியார் வித்தியாலயம்) is a catholic boys' school in Wattala, Sri Lanka.

The New Kelani River Bridge is a bridge across the Kelani River in the Sri Lankan capital city Colombo. It was constructed in 2021, and is the country's first extradosed bridge.