The Helsinki Metro is a rapid transit system serving the capital city of Finland, Helsinki, and its surrounding areas. It began operations in 1982 and is the only metro system in Finland. The network consists of two lines, the M1 and M2, which connect various neighborhoods and key locations, making it an essential mode of transportation for residents and visitors. The metro system features 25 stations, with the majority located underground. It is known for its efficiency, cleanliness, and safety. The Helsinki Metro is operated by Helsingin kaupungin liikennelaitos (HKL) and is integrated with other public transport options, such as buses and trams, facilitating easy travel throughout the city.