1. Sainte Chapelle is a Gothic-style chapel situated in the heart of Paris, France. It was built in the 13th century by King Louis IX to house his collection of relics of Christ, including the Crown of Thorns. The chapel is known for its stunning stained-glass windows, which cover a total area of 1,113 square meters and depict scenes from the Bible. The chapel was damaged during the French Revolution but was fully restored in the 19th century.

2. The chapel is open every day from 9 am to 5 pm, except for January 1st, May 1st, and December 25th. You can reach the chapel by public transportation, with the closest metro station being Cité (line 4) or Saint-Michel (line 4, RER B).

You can also call +33 1 53 40 60 80 for more information.

3. Tickets can be purchased online or at the entrance of the chapel. The entrance fee is 11.50 euros for adults and free for children under the age of 18. There is also a combined ticket available for 20 euros, which includes entry to both Sainte Chapelle and the Conciergerie.