Frogn
| Frogn Municipality Frogn kommune | |
|---|---|
|  | |
| Akershus within Norway | |
| Frogn within Akershus | |
| Coordinates: 59°41′56″N 10°39′19″E / 59.69889°N 10.65528°E | |
| Country | Norway | 
| County | Akershus | 
| District | Follo | 
| Administrative centre | Drøbak | 
| Government | |
| • Mayor (2019) | Hans Kristian Ranaas (Sp) | 
| Area | |
|  • Total | 86 km2 (33 sq mi) | 
| • Land | 85 km2 (33 sq mi) | 
| • Rank | #395 in Norway | 
| Population  (2020) | |
|  • Total | 15,959 | 
| • Rank | #81 in Norway | 
| • Density | 188/km2 (490/sq mi) | 
| • Change (10 years) | +9.14% | 
| Demonym | Frognsokning | 
| Official language | |
| • Norwegian form | Bokmål | 
| Time zone | UTC+01:00 (CET) | 
| • Summer (DST) | UTC+02:00 (CEST) | 
| ISO 3166 code | NO-3214 | 
| Website | Official website | 
Frogn is a municipality in Akershus county, Norway. It is part of the Follo traditional region. The administrative centre of the municipality is the town of Drøbak. Frogn was established as a municipality on 1 January 1838 (see formannskapsdistrikt). The city of Drøbak was merged with Frogn on 1 January 1962.
Frogn is located at the southern part of the peninsula between the main Oslofjord and Bunnefjorden. It borders Nesodden, Ås and Vestby.