From the Wikipedia page 
Preiļi (German: Prely; Russian: Прейли, previously also Прели) is a town in Latvia. It is also the administrative center of Preiļi Municipality.
Preiļi is one of the oldest settlements in Latvia. It was first mentioned in written sources in 1250. By 1897 Preiļi had a population of 2104. Preiļi has had city rights since 1928.