Busan, officially Busan Metropolitan City, Latinized Pusan before 2000, is South Korea's second largest metropolis after Seoul, with a population of approximately 3.6 million. The population of the metropolitan area, including the adjacent cities of Gimhae and Yangsan, is approximately 4.6 million. It is the largest port city in South Korea and the world's fifth busiest seaport by cargo tonnage.
The city is located on the southeastern-most tip of the Korean peninsula. The most densely built up areas of the city are situated in a number of narrow valleys between the Nakdong River and Suyeong River, with mountains separating some of the districts. Administratively, it is designated as a Metropolitan City. The Busan metropolitan area is divided into 15 major administrative districts and a single county.
Geumjeongsan to the west is a popular weekend hiking spot for Busan residents. To the north, the neighborhoods around Pusan National University (also known as PNU, which is one of the most highly recognized national institutes of higher education in Korea) have student theaters, cafes, bars and restaurants, as well as open-air cultural street performances on weekend nights. Nearby is Beomeosa, the city's main Korean Buddhist temple.
Yongdusan Park occupies 69,000 square meters/17 acres (7 ha) and is home to the Busan Tower, Yongdusan Art Gallery, and the Busan Aquarium. The park supports approximately seventy different species of trees and is a favorite tourist desitination, with various cultural events throughout the year.
Dongnae-gu is a wealthy and traditional residential area. Dongnae Oncheon is a natural spa area with many baths, tourist hotels, restaurants, clubs and shopping areas. Many restaurants in the area use family recipes. Chungnyeolsa is a Confucian shrine for soldiers who died during the 16th century battle against the Japanese at Dongnae Fortress.
Busan is called the summer capital of Korea since it attracts tourists from all over the country to its six beaches. Luxury hotels and a carnival boardwalk line the beach at Haeundae. Gwangalli Beach has cafes, bars, and restaurants along the beach, and the Grand Gwangan Bridge. The area around Pukyong National University and Kyungsung University has many cafes, bars and restaurants attracting college students and youth.