1. Helsinki Cathedral, also known as Tuomiokirkko in Finnish, is a prominent landmark and one of the most famous symbols of Helsinki, the capital city of Finland. It is located in the Senate Square, in the heart of the city.

The cathedral was designed by architect Carl Ludvig Engel in a neoclassical style and was completed in 1852. It stands tall with its white exterior and green domes, dominating the skyline of Helsinki. The cathedral was originally named St. Nicholas’ Church, but after Finland gained independence in 1917, it was renamed Helsinki Cathedral.

The cathedral has a large flight of stairs leading up to its entrance and is surrounded by statues of the twelve apostles. Inside, the cathedral features stunning frescoes, ornate decorations, and a beautiful altarpiece. The main attraction is the magnificent organ, which has over 4,000 pipes and is used in various concerts and events held at the cathedral.

2. Helsinki Cathedral is open to the public and has the following working hours:

Monday to Saturday: 9:00 am to 6:00 pm

Sunday: 12:00 pm to 6:00 pm

The cathedral does not have a phone number available for public inquiries.

3. Admission to Helsinki Cathedral is free, and no tickets are required to enter the building. However, donations for the maintenance and upkeep of the cathedral are welcome.

Transportation options to Helsinki Cathedral:

- Metro: The nearest metro station to the cathedral is Helsinki Central Station, which is a short walk away.

- Tram: Several tram lines, such as 2, 3, and 7, have stops near the cathedral.

- Bus: Various bus lines serve the area around the cathedral. The closest bus stops are located in the vicinity of Helsinki Central Station.

- On foot: Helsinki Cathedral is centrally located and easily accessible by foot from many parts of the city center.

Please note that it is always a good idea to check for any changes in the transportation schedule or working hours before visiting.