Grand Théâtre de Luxembourg Former names Théâtre Municipal de la Ville de Luxembourg Location Luxembourg City, Luxembourg Coordinates 49°37′02″N 6°07′36″E﻿ / ﻿49.6173°N 6.1267°E﻿ / 49.6173; 6.1267Coordinates: 49°37′02″N 6°07′36″E﻿ / ﻿49.6173°N 6.1267°E﻿ / 49.6173; 6.1267 Capacity 943 seats (main theatre) 400 seats (studio) Construction Broke ground Autumn 1959 Opened 15 April 1964 Renovated 2002–2003 Architect Alain Bourbonnais