Le Cercle Luxembourg

Address: Rue Gay-Lussac, 1, Paris. A quick check on the map can help confirm the entrance and the easiest approach.

Looks like they're open every day, so you don't need to worry about timing your visit around a closed day.

According to available data, this is a cafe. Usually a better fit for coffee, desserts, short meetups, or getting a bit of work done at a table.

Yes, it is also known as "Le Cercle". That can be useful when checking maps, listings, or local references.

Cuisine: brasserie. Gives you a general sense of what's on the menu — useful if you have a preference or dietary restriction going in.