Preiüi (; Polish: Prele; ; , previously also ÃÂÃÂõûø) is a town and the administrative centre of Preiüi Municipality in the Latgale region of Latvia.
Preiüi is one of the oldest settlements in Latvia. It was first mentioned in written sources in 1250. The Borch family manor was erected in 1836.
By 1897 Preiüi had a population of 2104. Preiüi has had city rights since 1928. By 1935 there were 1662 people living in Preiüi of whom 50.97% were Jews. After World War II there were less than 1000 people living in Preiüi. During the Soviet era many workers from Russia and Belarus started working in Preiüi and the population reached a peak of 9421 in 1989.
Preiüi is twinned with: