Sleepy Hollow

1. A census-designated place in Marin County, California, United States.
2. A village in the town of Mount Pleasant, Westchester County, New York, United States.

   Former name: North Tarrytown

3. A locality in the Tweed council area, north eastern New South Wales, Australia.

plural Sleepy Hollows

1. Any very quiet and uneventful locality.

   Sydney has had the reputation of being a regular Sleepy Hollow compared to the Victorian capital. But, of late, it has waked up.

   1877, Julian Thomas, The Vagabond Papers

   1 more example

   Yes, but Tom is somewhere among the Alps just now and there's no one else in this fascinating Sleepy Hollow of yours that we could get in time […]

   1934, Ernest Bramah [pseudonym; Ernest Brammah Smith], The Bravo of London