The coat-of-arms is from modern times. They were granted on 7 October 1975. The arms show a green background with three silver-colored tree trunks (Norwegian: askekaller) and are thus canting arms. The trees are ashes, which were cropped every year to provide food for the animals. The trees thus developed after many years a very typical shape, which was characteristic for the area.
Its main parts are Asker, Gullhella, Vollen, Vettre, Blakstad, Borgen, Drengsrud, Dikemark, Vardåsen, Engelsrud, Holmen, Høn, Hvalstad, Billingstad, Nesøya, Nesbru, and Heggedal. Asker is a notably coastal place with many beautiful beaches, but it is also a place of hills and woods. The district is known for many important businesses. It is also known for gardening. The Skaugum estate, where Crown Prince Haakon of Norway lives with his family, is situated here. The first IKEA store outside of Sweden opened in Asker in 1963 .
Although Asker is principally a rural municipality, the expansion of Oslo has resulted in its becoming an affluent suburb. Thus numerous celebrities now reside in the area. According to SSB (Statistics Norway), Asker ranks as the 2nd wealthiest municipality in Norway based on median household income.
Asker is also the home of the Frisk Tigers, who won the Norwegian Hockey championship in 1975, 1979, and 2002. Asker Skiklubb is the largest sports club in Norway. It has a long history dating back to 1889. Many of Asker's famous people have been successful individuals associated with the sports club.
Asker, more notably Blakstad, was a stronghold for the Baglers, who contended with the Birkebeiners during a civil war during the Viking period.
In 1916 (or 1917) the Maud, which had been built in local shipyards, was launched into Oslofjord. The ship which had been constructed and built especially for Roald Amundsen and was to sail through the Northeast Passage. After being seized by creditors in Seattle, Washington, United States, she was sold to the Hudson's Bay Company as a supply vessel. After being renamed the Baymaud she sailed to Cambridge Bay, Nunavut, Canada where, in 1930, she sprung a leak and sank. In 1990, the ship was sold by the Hudson's Bay Company to the town with the expectation that she would be returned to Asker. Although a Cultural Properties Export permit was issued, the price tag to repair and move the ship was 230 million kroner ($43,200,000) and the permit expired.