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Île Saint-Louis (French: [il sɛ̃ lwi]), eleven hectares (27 acres) in size, is one of two natural islands in the Seine river, in Paris, France (the other natural island is the Île de la Cité, where Notre-Dame de Paris is located). Île Saint-Louis is connected to the rest of Paris by four bridges to both banks of the river and to the Île de la Cité by the Pont Saint-Louis.The island is located within the 4th arrondissement of Paris and has a population of 4,453.

Saint-Louis en l'Île (French pronunciation: ​[sɛ̃ lwi ɑ̃ l‿il] meaning "Saint Louis on the Island") is a Roman Catholic parish church located at 19 Rue Saint-Louis en l'Île on Île Saint-Louis in the 4th arrondissement of Paris, France.

The Polish Library in Paris (French: Bibliothèque Polonaise de Paris, Polish: Biblioteka Polska w Paryżu) is a Polish cultural centre of national importance and is closely associated both with the historic Great Emigration of the Polish élite to Paris in the 19th-century and the formation in 1832 of the Literary Society (Towarzystwo Literackie), later the Historical and Literary Society. The Library was founded in 1838 by Adam Jerzy Czartoryski, Julian Ursyn Niemcewicz and Karol Sienkiewicz, among others. Its first task was to safeguard all surviving books, documents, archives and treasures of national significance. It has become a historical and documentary resource open for the use of Poles and other researchers and visitors. The Library houses three museums related to significant Polish artists: the Salon Frédéric Chopin, the Adam Mickiewicz Museum and the Bolesław Biegas Art collection. UNESCO's Memory of the World Register rates it as an institution unique of its kind.

The Adam Mickiewicz Museum (in French: Musée Adam Mickiewicz) is a small museum dedicated to Polish poet Adam Mickiewicz (1798–1855). It is located within the Polish Library in Paris in the 4th arrondissement of Paris at 6, Quai d'Orleans, Paris, France.The museum was established in 1930, and contains numerous personal effects as well as an archive including many autograph items. It occupies one room in the Bibliothèque Polonaise à Paris, which also houses the Musée Boleslas Biegas and the Salon Frédéric Chopin.Guided visits are available Thursday afternoons and Saturday mornings by prior appointment; an admission fee is charged.

Bolesław Biegas (1877–1954) was a Polish, surrealist and Symbolist painter and sculptor. Biegas was born in Koziczyn, Poland and orphaned at a young age. He began studying sculpture in Warsaw in the studio of a local sculptor, Antoni Panasiuk, then studied art under Konstanty Laszczka at the Jan Matejko Academy of Fine Arts in Krakow. After being expelled for his sculpture The Book of Life, Biegas moved permanently to Paris, where he briefly attended the École des Beaux-Arts before beginning his independent artistic activity. From 1900, his works were exhibited in several Salons, including the parisian Galerie des Artistes Modernes and Galerie Arts et Artistes Anglais, and galleries in London, St. Petersburg and Kiev.Biegas also created a series of Symbolist style paintings, featuring mythical, monstrous and female chimeras, which symbolised a violent battle of the sexes.Biegas established a small museum for his art in 1950, in Paris, France, called the Musée Boleslas Biegas. It is located within the Polish Library in Paris in the 4th arrondissement of Paris at 6, Quai d'Orléans. The museum contains his own paintings and sculpture, as well as other Polish artists active from the end of the nineteenth century to the beginning of the twentieth century, including Olga Boznańska and Tadeusz Makowski. The museum occupies one room in the Polish Library in Paris, which also houses the Musée Adam Mickiewicz and the Salon Frédéric Chopin. Guided visits are available Thursday afternoons and Saturday mornings by prior appointment; an admission fee is charged.

The Hôtel Hesselin, later known as the Hôtel d'Ambrun, was a Parisian town house (hôtel particulier), erected around 1639 to 1642 for Louis Hesselin to the designs of the French architect Louis Le Vau. It was located on the Île Saint-Louis, on the west side of the rue Poulletier at its intersection with the quai du Dauphin (now 24 quai de Béthune, 4th arrondissement of Paris). The hotel was demolished in 1935 by Helena Rubinstein, who had a new building erected to the designs of the architect Louis Sue.

The Salon Frédéric Chopin is a small museum dedicated to Frédéric Chopin. It is located within the Polish Library in Paris - Bibliothèque polonaise de Paris - in the 4th arrondissement of Paris at 6, Quai d'Orléans, Paris, France. Guided visits are available Thursday afternoons and Saturday mornings by prior appointment; an admission fee is charged. The museum contains a number of Chopin's mementos, including his death mask and a casting of his left hand by Auguste Clésinger, several paintings, numerous portraits, autographs, first editions, and his favorite chair. The museum occupies one room in the Bibliothèque Polonaise à Paris, which also houses the Musée Adam Mickiewicz and the Musée Boleslas Biegas.

The Pont Marie is a bridge which crosses the Seine in Paris, France. The bridge links the Île Saint-Louis to the quai de l'Hôtel de Ville and is one of three bridges designed to allow traffic flow between the Île Saint-Louis and the Left and Right banks of Paris. The Pont Marie links the Right Bank and is the counterpart of the Pont de la Tournelle which is built along the same line but serves to connect the Île Saint-Louis with the Left Bank.

The Pont de la Tournelle (Tournelle Bridge in English), is an arch bridge spanning the river Seine in Paris.

Pont Marie (French pronunciation: ​[pɔ̃ maʁi]) is a station of the Paris Métro opened in 1926 with the extension of Line 7 from Palais Royal–Musée du Louvre. It is named after the nearby bridge over the Seine, the Pont Marie, which connects to Île Saint-Louis.

The Cité internationale des arts is an artist-in-residence building which accommodates artists of all specialities and nationalities in Paris. It comprises two sites, one located in the Marais and the other in Montmartre.

The Hôtel de Lauzun is a 17th-century hôtel particulier, or private mansion, located on the Quai d'Anjou of the île Saint-Louis in the 4th arrondissement of Paris, France. It is among the few Parisian hôtels that retain their rich carved, painted, mirrored and gilded interiors from the time of Louis XIV.