The Refugee Tents are a location near the Lincoln Memorial.
Background
The three tents only appear if the Head of State quest is completed in favor of the Temple of the Union's former slaves.
Layout
A single, cramped room containing three Beds, three usable chairs, two unusable chairs, two small tables, two barrels, a suitcase, three Metal Boxes, a milk crate, a lantern, and a shelving rack.
Appearances
The Refugee Tent appears only in Fallout 3.