Daegu är en stad i sydöstra Sydkorea med cirka 2,5 miljoner invånare, vilket gör den till landets fjärde största stad. Daegu är en av Sydkoreas storstäder, och är en självständig enhet på ungefär samma administrativa nivå som landets provinser. I staden finns bland annat textil-, läder- och metallindustri. Det finns fem universitet i staden.
Main sayellite cities are Gyeongsan city,East of Daegu linked by subway line ,Gyeongju,The Shilla kingdom capital of 1,000years,Cheonnyeon godo (천년고도) with
Bulguksa buddhist temple and stone cave of Buddha ,Cheomseong dae observatory during Shilla period. Gumi city (Former Seonsan) The electronics capital of Korea since President Park’s Planned electronics complex(전자공단) since 1960s. Gumi is hometown of President Park,Chung-hee. Sangju(상주) is traditionally important cities with Kyeongju (경주) GyeongSang do name is originated from Gyeongju and Sangju . Daegu is located in south-eastern Korea about 80 kilometres (50 miles) from the seacoast, near the Geumho River and its mainstream, Nakdong River in Gyeongsang-do. The Daegu basin, where the city lies, is the central plain of the Yeongnam region.
In ancient times, there was a proto-country named Jinhan, to which the current Daegu area belonged. Later Daegu was part of the Silla Kingdom which unified the Korean Peninsula. During the Joseon Dynasty period, the city was the capital of Gyeongsang-do which was one of traditional eight provinces of the country. Daegu was an economic motor of Korea during the 1960s–1980s period. The humid subtropical climate of Daegu is ideal for producing high quality apples, thus the nickname, “Apple City”. Daegu is also known as “Textile City”. Textile used to be the pillar industry of the city. With the establishment of the Daegu-Gyeongbuk Free Economic Zone, Daegu is currently focusing on fostering fashion and high-tech industries.
Daegu was the host city of the 22nd World Energy Congress of 2013, the 2011 World Championships in Athletics and the 2003 Summer Universiade. It also hosted four matches in the 2002 FIFA World Cup.