Rock House Army Camp

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

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.

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

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).

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.

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'.

The Sojitz Kelanitissa Power Station (also known as Sojitz Power Station, and AES Kelanitissa Power Station), is privately owned 172 MW diesel-fired combined cycle power station located in Kelanitissa, in the city of Colombo, Sri Lanka. It is owned by Sojitz Kelanitissa Private Limited, a subsidiary of Sojitz Corporation. The power station is located adjacent to the Kelanitissa Power Station, which is a separate government-owned power station. The power station consists of two generation units, a GEPG9171E gas turbine with a nameplate capacity of 115 MW, and a 57 MW steam turbine manufactured by Bharat Heavy Electricals Limited. Construction works were done by Larsen & Toubro. Like all power stations in Sri Lanka, power generated by the power station are sold to the Ceylon Electricity Board under a 20-year take-or-pay power purchase agreement. The low-sulfur diesel is supplied through an existing pipeline by the Ceylon Petroleum Corporation, with 20,000 tons, or the equivalent of 28-days of full capacity operations, stored in case of any fuel shortage. The plant is currently running on a 20-year contract, which ends on October 10, 2023. CEB acquired the power station on 28 March 2023.

The Kelani River (Sinhala: කැළණි ගඟ) is a 145-kilometre-long (90 mi) river in Sri Lanka. The fourth-longest river in the country, it stretches from the Sri Pada Mountain Range to Colombo. It flows through or borders the Sri Lankan districts of Nuwara Eliya, Ratnapura, Kegalle, Gampaha and Colombo. The Kelani River also flows through the capital of Sri Lanka, Colombo, and provides 80% of its drinking water.

Good Shepherd Convent, Colombo is a semi-government fee-levying Catholic girls' school and the first Catholic convent in Sri Lanka. Good Shepherd Convent, Kotahena is a leading Catholic girls' school in Colombo, Sri Lanka . Located in the neighbourhood of Kotahena, the convent school educates girls from Kindergarten to age 19. The convent includes an auditorium, libraries, ICT and Science laboratories, Basketball and Netball courts and gyms.

HMS Tenedos (Pennant number initially FA4 and later H04) was an Admiralty 'S' class destroyer. Laid down on 6 December 1917, she was constructed by Hawthorn Leslie of Tyne, and was completed in 1918. She was commissioned in 1919 and served throughout the interwar period.

St. Lucia's College (commonly known as St. Lucia's or Lucia's) is a Roman Catholic school located in Kotahena area of Colombo, Sri Lanka. This school was founded in 1880 and it is a Government School, managed by Ministry of Education (Sri Lanka), which provides primary and secondary education. The School Motto both "Pro Deo et Patria" written in Latin phrase and "मेरा देवाय स स्वदेशाय।" (Swa devvaya sa swadeshaaya) written in Sanskrit phrase having same meaning as "For God and Country".

The Kelanitissa Power Station is a state-owned power station located on the south bank of the Kelani River in the northern part of the city of Colombo, Sri Lanka. Commissioned in 1964, it is the first thermal power station built in Sri Lanka, after the country gained independence. The facility has a current gross installed capacity of 360 MW, a significant amount when compared to the total installed capacity of nearly 4,086 MW in the year 2017. The facility is owned and operated by the Ceylon Electricity Board.The power station has a total of 10 generation units: two 25 MW boiler steam units, six 20 MW gas turbines, one 115 MW gas turbine, and one 165 MW combined cycle unit. As of 2018, both 25 MW units and two 20 MW units were decommissioned after the commissioning of the combined cycle unit. The old units are now used as peak-load units. The 115 MW was sent to Italy for renovations in 2011.The newest 165 MW naphtha-fuelled combined cycle unit was commissioned in August 2002. It consists of a 110 MW gas turbine and a 55 MW steam turbine, and one exhaust heat recovery boiler. The project was funded by the Overseas Economic Cooperation Fund of Japan. Initially, the capacity was planned at 150 MW with two or three 37–67 MW units, but a single unit with higher capacity was subsequently chosen.