First settled ''circa'' 1883, Oslo is an

unincorporated community An unincorporated area is a parcel of land that is not governed by a local general-purpose municipal corporation. (At p. 178.) They may be governed or serviced by an encompassing unit (such as a county) or another branch of the state (such as th ...

in southeastern

Indian River County Indian River County () is a county located in the southeastern and east-central portions of the U.S. state of Florida. As of the 2020 census, the population was 159,788. Its seat is Vero Beach. It is Florida's 7th richest county and in 2000 w ...

Florida Florida ( ; ) is a U.S. state, state in the Southeastern United States, Southeastern region of the United States. It borders the Gulf of Mexico to the west, Alabama to the northwest, Georgia (U.S. state), Georgia to the north, the Atlantic ...

, United States. It is part of the

Sebastian Sebastian may refer to: People and fictional characters * Sebastian (name), including a list of persons and fictional characters with the name * Saint Sebastian, a Christian saint martyred in the 3rd century * Sebastian of Portugal (1554–1578 ...

–

Vero Beach Vero Beach is a city in and the county seat of Indian River County, Florida, United States. According to the 2020 census, the city had a population of 16,354. Nicknamed "The Hibiscus City", Vero is situated about southeast of Orlando along the ...

Metropolitan Statistical Area. The town of Oslo, as it was once called, was first established by some of Indian River County's first pioneers, which included the Helseth, Gifford, and Hallstrom families. The area was given the name ''Oslo'' by the Helseth family.

References

Unincorporated communities in Indian River County, Florida Unincorporated communities in Florida 1883 establishments in Florida Populated places established in 1883 {{IndianRiverCountyFL-geo-stub