What is the banquet capacity of National Ballroom at The Westin Washington, D.C. City Center?

National Ballroom seats up to 400 guests in a banquet layout.

How many people fit in National Ballroom theater-style?

National Ballroom holds up to 500 guests in a theater setup.

How many event spaces does The Westin Washington, D.C. City Center have?

The Westin Washington, D.C. City Center has 21 event spaces totaling 25,441 sq ft.

The Westin Washington, D.C. City Center — Event Spaces & Capacities

1400 M St NW, Washington, DC 20005

Planning an event in Washington? The Westin Washington, D.C. City Center has 21 function rooms across 25,441 sq ft2,364 m² of function space. The largest room, National Ballroom, hosts up to 600 guests. Capacity figures for every setup style are listed per room below.

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Floor plans

Detailed floor plans for The Westin Washington, D.C. City Center are published on the venue’s official site.

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Room capacities & dimensions

Room capacities and dimensions for The Westin Washington, D.C. City Center
Space	Sq ft / m²	Ceiling	Banquet	Theater	Classroom	Reception	Conference	U-Shape
Ashlawn NorthPlan this room →	864 sq ft80 m²	7.4 ft2.3 m	50	50	34	50	26	24
Ashlawn SouthPlan this room →	768 sq ft71 m²	7.4 ft2.3 m	50	50	30	50	20	22
Belle AirPlan this room →	525 sq ft49 m²	8.8 ft2.7 m	30	35	24	35	18	16
Berkeley BoardroomPlan this room →	425 sq ft39 m²	8.8 ft2.7 m	—	—	—	—	12	—
East RoomPlan this room →	612 sq ft57 m²	9.1 ft2.8 m	40	40	30	445	25	20
Fireplace RoomPlan this room →	621 sq ft58 m²	9.5 ft2.9 m	40	50	30	50	20	15
Monticello EastPlan this room →	1,353 sq ft126 m²	7.9 ft2.4 m	60	60	36	80	30	24
Monticello FoyerPlan this room →	325 sq ft30 m²	8 ft2.4 m	—	—	—	30	—	—
Monticello RoomPlan this room →	3,498 sq ft325 m²	7.9 ft2.4 m	220	200	140	280	60	54
Monticello WestPlan this room →	1,749 sq ft162 m²	7.9 ft2.4 m	80	100	65	100	40	35
National BallroomPlan this room →	4,982 sq ft463 m²	15.8 ft4.8 m	400	500	250	600	70	80
Pre-Function Ballroom FoyerPlan this room →	2,000 sq ft186 m²	—	130	—	—	200	—	—
Section APlan this room →	1,961 sq ft182 m²	15.8 ft4.8 m	120	150	100	180	45	40
Section BPlan this room →	1,219 sq ft113 m²	15.8 ft4.8 m	100	100	60	80	40	35
Section CPlan this room →	1,802 sq ft167 m²	15.8 ft4.8 m	110	130	90	135	45	40
SherwoodPlan this room →	624 sq ft58 m²	8.8 ft2.7 m	50	50	30	60	22	18
StratfordPlan this room →	360 sq ft33 m²	7.1 ft2.2 m	20	25	18	30	15	12
West RoomPlan this room →	578 sq ft54 m²	9.1 ft2.8 m	40	40	30	45	25	20
WestoverPlan this room →	525 sq ft49 m²	8.8 ft2.7 m	30	35	24	35	18	16
WoodlawnPlan this room →	650 sq ft60 m²	7.1 ft2.2 m	40	40	25	60	20	18

Additional spaces (dimensions only) (1)

Additional spaces with published dimensions only at The Westin Washington, D.C. City Center
Space	Sq ft / m²	Ceiling
1400 NorthPlan this room →	35.5 × 20.4 ft10.8 × 6.2 m	9 ft2.7 m

Figures from published venue data; blank cells mean the venue hasn’t published that number. Verify final counts with the venue.