Lester B. Pearson Building

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.

Earnscliffe is a Victorian manor in Ottawa, Ontario, built in the Gothic Revival style. During the late 19th century, it was home to Canada's first Prime Minister, Sir John A. Macdonald. Since 1930, it has served as the residence of the British High Commissioner to Canada.

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.

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 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 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 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.

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 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 Monument to Canadian Aid Workers (French: Monument commémoratif de l'aide humanitaire canadienne) is a monument in Ottawa, Ontario, Canada. It is dedicated to Canadian aid workers who have lost their lives during foreign deployments. As a monument, it is internationally unique in its form and purpose.

Lower Town (also spelled "Lowertown" (French: la Basse-Ville) is a neighbourhood in Rideau-Vanier Ward in central Ottawa, Ontario, Canada, to the east of downtown. It is the oldest part of the city. It is bounded by Rideau Street to the south, the Ottawa River to the west and north and the Rideau River to the east. It includes the commercial Byward Market area in the south-western part, and is predominantly residential in the north and east. It was historically French Canadian and Irish (as opposed to English and Scottish Upper Town, a term no longer in use) and is to this day home to many Franco-Ontarian families, businesses and institutions.