Boulogne is an unincorporated community in Nassau County, Florida, United States.
Boulogne is located in the northern part of the county, near the St. Marys River.
Highways passing through the town are US 1/US 23/US 301/State Road 15 and CR 121.
[2] The Ralph E. Simmons Memorial State Forest is located near the community.
This article about a location in Nassau County, Florida is a stub.