National Defence University (Finland)

Santahamina (Swedish: Sandhamn) is an island and neighbourhood of Eastern Helsinki, Finland. At present it is a military base housing the Guard Jaeger Regiment, making access restricted. The Finnish National Defence University (NDU) is also located on the island. Santahamina housed before 2007 a mediumwave broadcasting station used by Yle for broadcasting on 558 kHz with 100 kW.

Hevossalmi (Finnish), Hästnässund (Swedish) is a southeastern neighborhood of Helsinki, Finland.

Yliskylä (Finnish), Uppby (Swedish) is a southeastern neighborhood of Helsinki, Finland.

Laajasalo (Swedish: Degerö) is a group of islands that forms a Southeast Helsinki's neighbourhood in southern Helsinki, the capital of Finland. As of 2018, it had a population of 18 876.

Jollas is a southeastern neighborhood of Helsinki, Finland located in the eastern part of the Laajasalo island.

Tahvonlahti (Finnish), Stansvik (Swedish) is a southeastern neighborhood of Helsinki, Finland.

Tullisaari (Finnish), Turholm (Swedish) is a southeastern neighborhood of Helsinki, Finland.

Vartiosaari (Swedish: Vårdö) is a district of Helsinki, Finland.

Tammisalo (Swedish: Tammelund) is a neighbourhood (number 44) and an island in eastern part of Helsinki, Finland. The population of Tammisalo is approximately 2,200 and its area is 0.73 square kilometres (0.28 square miles). The nearest districts are Herttoniemi, Roihuvuori and Laajasalo. In the Viking era the coastal waterway from Sweden to Arab world went between Tammisalo and the continent along Porolahti bay. A particularly remarkable building in the low-rise suburb of Tammisalo is the 5-storey house called Tammelund, designed by architect Antti Rantanen (1935), which in terms of its proportions and number of windows (over 100), is regarded as a "miniature skyscraper". Tammisalo is also renowned for housing projects designed by famous modernist architect Timo Penttilä.

Villa Salmela, also known as the Summer home of Karelians, is a villa in the Jollas area of Laajasalo in Helsinki, Finland. It is located in the Villinki Strait opposite the island of Villinki. A summer café is operated in the villa. The villa also has a sauna, which can be used by the public at certain times. The villa is administered by the association Pääsky, which is formed by all the Karelian associations of the Greater Helsinki area.The villa was built in 1886. At the time, it could be reached by a boat three times a week. The original name of the villa was Villa Bergsund, and its first owner was the Actual State Councillor Jaakko Sjölin (1836–1916), who worked as the general director of the Land Survey of Uusimaa. Altogether the villa has had five owners.The city of Helsinki bought the villa, and in 1969 it rented it out to the Karelian associations of the Greater Helsinki. This led to the formation of the association Pääsky, the association of Karelian societies in the Greater Helsinki area. In 2006, the association initiated the renovation and development of the villa. Stairs were built to the villa, and a patio café was built. In 2010, the houses in the area were connected to the water pipe and sewage network of the city, and modern sanitary facilities were built in the villa. The kitchen was renovated, the ovens were rebuilt, and the floors were repaired.

Kirsikkapuisto (English: Cherry Tree Park, Swedish: Körsbärsträdsparken) opened in 2007 in the Roihuvuori district of Helsinki, and is part of the Roihuvuori green area. The southern area has a fenced off dog park. In the dog park are wooden statues of dogs and a tree with a cat in it. The city department that maintains these statues has now closed and the statues are being removed as they deteriorate. There are about 150 Cherry trees in the park that were planted following sponsorship from the Japanese community in Helsinki. In the Spring the Japanese festival of Hanami is celebrated when the trees blossom.

Herttoniemenranta (Finnish), Hertonäs strand (Swedish) is a southeastern neighborhood of Helsinki, Finland. Herttoniemenranta is part of Herttoniemi and it was built in the late 1990s and early 2000s.