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The Ottawa Rowing Club (ORC) is a rowing club based in the city of Ottawa, Ontario. It is the oldest continuous rowing club in Canada. It is a registered club with Rowing Canada and Row Ontario.

The Delegation of the Ismaili Imamat in Ottawa, Ontario, Canada is representational office of the Ismaili Imamat in Canada and includes the headquarters of the Aga Khan Foundation Canada. It is located between the Embassy of Saudi Arabia and the Lester B. Pearson Building on Sussex Drive. It was opened in 2008. The building, as named, serves as a de facto embassy in Canada for the Ismaili Imamat, the institutional office of the Imams (spiritual leaders) of the Nizari Shia Muslims. Representatives of the Ismaili Imamat can receive dignitaries of the Canadian government, and diplomatic community.

The Lester B. Pearson Building is an office building in Ottawa, Ontario, Canada. It is located at 125 Sussex Drive in the Lower Town neighbourhood and currently serves as the headquarters of Global Affairs Canada. It was officially opened on 1 August 1973 by Queen Elizabeth II. It is named after Lester B. Pearson, former Prime Minister of Canada and external affairs minister which has earned it the nickname "Fort Pearson". The building was designed by the Toronto-based architectural firm of Webb Zerafa Menkes and is described as "late modern with an influence of Brutalism". The building consists of four "towers" ranging from 4 to 10 storeys, of which three are interconnected from the first to the fifth floor. In 2013, the Department of Public Works and Government Services designated the office complex a Federal Heritage Building for its "historical associations, and its architectural and environmental values".In 2019, work began towards renovating the building, with major changes being made to both the interior and exterior. Walls will be torn down and individual offices removed in favour of a new activity-based working model. The project is estimated to cost $700 million and is scheduled to be completed in 2028.

Royal Embassy of Saudi Arabia in Ottawa (Arabic: سفارة المملكة العربية السعودية الملكية في أتاوا Sifāra al-Mamlaka al-`Arabīya as-Su`ūdīya al-Malikīya fī Uttāwā) is Saudi Arabia's diplomatic mission to Canada. The building is located at 201 Sussex Drive in Ottawa, overlooking the Ottawa River. Prior to 2005, it was located in an office in the Clarica Centre on Bank Street.

The Macdonald-Cartier Bridge (French: Pont Macdonald-Cartier) is a bridge connecting Ottawa, Ontario, to Gatineau, Quebec. The bridge is a 618 m long continuous steel box girder bridge and carries six lanes of traffic. It links King Edward Avenue and Sussex Drive in Ottawa with Autoroute 5 in Quebec. It is the easternmost bridge linking Ottawa to Gatineau, running just east of the Alexandra Bridge. The bridge was built from 1963 to 1965 by the federal government and the governments of the two provinces. It is owned and maintained by Public Works and Government Services Canada. It was named after John A. Macdonald and George-Étienne Cartier, joint premiers of the Province of Canada, and the name is representative of the link between French and English Canada. There are sidewalks on both sides of the bridge intended for use by pedestrians and cyclists. Immediately after the bridge on the Gatineau side, the road becomes part of the Autoroute where cyclists and pedestrians are prohibited. However, they can then use paths leading to Laurier Street. The Ottawa side was to connect with Vanier Parkway, and some piers where it would cross the Rideau River remain from the Canadian Pacific Railway's Sussex Street Subdivision, but this was cancelled because the route would have taken much of New Edinburgh Park. Instead, King Edward Avenue was widened up to the one-way pair of St. Patrick Street and Murray Street to the St. Patrick Street Bridge over the Rideau River, which connects with the north end of Vanier Parkway. This provides a four-lane connection between the bridge and Highway 417. Construction is now underway to realign the entrance ramps on the Ontario side, removing any possibility of further extensions.

The Embassy of Japan in Ottawa (Japanese: 在カナダ日本国大使館 Zai Kanada Nihon-koku Taishikan; French: Ambassade du Japon au Canada) is the diplomatic mission of Japan in Canada. Since 1978 the chancery has been located at 255 Sussex Drive near the Lester B. Pearson Building in Ottawa, Ontario. The ambassadorial residence is at Waterstone (Alan Keefer, architect, built 1928-31), one of Ottawa's largest mansions in Rockcliffe Park. Japan first opened a consulate in Vancouver in 1889 and the embassy opened in 1928. With the outbreak of war, the Japanese diplomats were expelled in 1941 and the embassy was not reopened until 1951. The embassy today also has consulates in Vancouver, Toronto, Montreal, and Calgary. The current ambassador is Yasuhisa Kawamura (川村 泰久 Kawamura Yasuhisa).

The Ottawa Memorial is a monument in Ottawa, Ontario, that "commemorates by name almost 800 men and women who lost their lives while serving or training with the Air Forces of the Commonwealth in Canada, the West Indies and the United States and who have no known grave. " Located on Sussex Drive overlooking the Ottawa River near the Rideau Falls, the monument was unveiled in 1959 by Elizabeth II, Queen of Canada. It is maintained by the Commonwealth War Graves Commission. During the Second World War, 798 men and women killed with Commonwealth air forces in or over Canadian territory.The memorial lists the names, ranks and nations of origin of almost 800 service personnel, ordered by the year of their death, on two semi-circular walls that surround a small pool containing a sculpture of the world with an eagle perched on top. Plaques in English and French contain the following text: In the Second World War air power played an increasingly important role in offensive and defensive capacities.At the start of the war there was a shortage of aircraft and trained pilots. The United Kingdom was considered too vulnerable to attack and so training centres were established elsewhere. Bases in North America trained over 137,000 Commonwealth air crew, making a vital contribution to the Allied victory, while much needed aircraft and supplies were ferried to the United Kingdom from the United States and Canada by both civilian and air force personnel. This memorial, unveiled by Queen Elizabeth II in 1959, commemorates by name almost 800 men and women who lost their lives while serving or training with the Air Forces of the Commonwealth in Canada, the West Indies and the United States and who have no known grave. Their names are arranged according to year of death, force and rank. The Commonwealth War Graves Commission is responsible for the maintenance of graves and memorials in some 150 countries which commemorate around 1,700,000 members of the Commonwealth forces who died in the two world wars. The war dead commemorated here and elsewhere include those of several different faiths and of none.

The Rideau Falls (French: Chutes de la rivière Rideau) are two 11-metre (36 ft.) waterfalls located in Ottawa, Ontario, Canada, where the Rideau River empties into the Ottawa River. The falls are divided by Green Island, with Ottawa's Old City Hall just to the south. To the west of the falls is the headquarters of the National Research Council while to the east are the Canada and the World Pavilion and the French Embassy. Samuel de Champlain described the falls as "...a marvelous fall...it descends a height of twenty or twenty-five fathoms with such impetuosity that it makes an arch nearly four hundred paces broad." The falls were named by the early French for their resemblance to a curtain, or rideau in French. The Rideau River was later named after the falls. The Rideau Canal was constructed to bypass these falls and the Hog's Back Falls.

Green Island in Ottawa, Ontario, Canada, is an island at the junction of the Rideau River, just off Sussex Drive in Ottawa at the Rideau Falls at the confluence with the Ottawa River. It is situated near the neighbourhood of New Edinburgh. To the west of the island is the National Research Council, and Global Affairs Canada (formerly Foreign Affairs, Trade and Development Canada); to the east is 24 Sussex Drive and the embassy of France. On either side of the falls are facilities for a hydroelectric power plant. Down the Rideau river are the ruins of a rail bridge that once led to Ottawa's Union Station.

The John G. Diefenbaker Building is a building in the New Edinburgh neighbourhood of Ottawa, Ontario. The building served as Ottawa's city hall from August 2, 1958, to January 1, 2001, and afterward was commonly known as Old City Hall. Purchased in 2003 by the Government of Canada, it was known by its municipal address, 111 Sussex Drive, until September 2011 when it was renamed after Canada's 13th prime minister, John Diefenbaker. The building is located on Green Island where the Rideau River empties into the Ottawa River.

The Centre for Geography and Exploration, located at 50 Sussex Drive in Ottawa, is headquarters to the Royal Canadian Geographical Society (RCGS) and home to Canadian Geographic magazine, as well as Can Geo Education and special project departments. The Canada and the World Pavilion was a small museum in Ottawa, Ontario, Canada. Exhibits were devoted to Canada's contribution to sport, arts and culture, development, peacekeeping, and science. Interactive exhibits, activities, and special events were held at the facility and in the surrounding parkland. With views to the north, the building overlooks the Rideau Falls and Ottawa River. It is the next-door neighbour to the Embassy of France at 42 Sussex Drive.

The Royal Canadian Mint (French: Monnaie royale canadienne) is the mint of Canada and a Crown corporation, operating under the Royal Canadian Mint Act. The shares of the Mint are held in trust for the Crown in right of Canada. The Mint produces all of Canada's circulation coins, and manufactures circulation coins on behalf of other nations. The Mint also designs and manufactures precious and base metal collector coins; gold, silver, palladium, and platinum bullion coins; medals, as well as medallions and tokens. It further offers gold and silver refinery and assay services. The Mint serves the public's interest but is also mandated to operate "in anticipation of profit" (i.e., to function in a commercial manner without relying on taxpayer support to fund its operations). Like private-sector companies, the Mint has a board of directors consisting of a chair, the president and CEO of the Mint, and eight other directors. Traditionally, the president of the Royal Canadian Mint is known as the Master of the Mint, currently Marie Lemay, who was appointed to the position in 2018. The board of directors, through the chair, is accountable to the Minister of Finance. The Minister serves as the link between the Mint, Cabinet and Parliament. The Mint was named one of "Canada's Top 100 Employers" by Mediacorp Canada Inc. from 2007 to 2010.